A New Species of Nemozoma Latreille, 1804 (Coleoptera: Cleroidea: Trogossitidae) from the French Antilles and New Distributional Records for Nemozoma fleutiauxi Lepesme, 1947 Author: Kippenhan, Michael G. Source: The Coleopterists Bulletin, 78(3) : 379-387 Published By: The Coleopterists Society URL: https://doi.org/10.1649/0010-065X-78.3.379 BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Complete website, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/terms-of-use. Usage of BioOne Complete content is strictly limited to personal, educational, and non - commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman 379 The Coleopterists Bulletin 78(3): 379–387. 2024. A New Species of Nemozoma Latreille, 1804 (Coleoptera: Cleroidea: Trogossitidae) from the French Antilles and New Distributional Records for Nemozoma fleutiauxi Lepesme, 1947 Michael G. Kippenhan Montana Entomology Collection Montana State University, Bozeman, MT 59717, USA kippenhan138@gmail.com ABSTRACT Nemozoma lepesmei Kippenhan, new species is described and illustrated from specimens collected from the islands of Montserrat and Guadeloupe in the French Antilles. This new species is compared to other West Indian species and a key to the species known to inhabit the West Indies is provided. Recent distributional records for Nemozoma fleutiauxi Lepesme, 1947 are included. Keywords: canopy fogging, smooth bark-gnawing beetles, taxonomy DOI.org/10.1649/0010-065X-78.3.379 Zoobank.org/urn:lsid:zoobank.org:pub:B32F1296-CDBB-4319-95EB-B4C9885BCD43 INTRODUCTION The 21 species of Nemozoma Latreille, 1804 in- habiting the New World are distributed from south- western British Columbia, Canada southward to Bolivia, Brazil, and Paraguay (Barron 1971; Kippenhan 2023; Kolibáč 2005, 2013). In the United States, the genus has been recorded only from west of the Great Plains (Barron 1971). As known predators of xylophagous beetles, primarily Scolytinae (Curculionidae), associated with coni- fers, both adults and larvae of Nemozoma have been observed in wood-boring beetle galleries, under bark, or externally on the limbs and trunks of in- fested trees (Bright 1976; Hinson and Buss 2016; Leschen 2002; Van Dyke 1915, 1916). Considering the number of species and broad geographic distri- bution within the New World, adult specimens re- main poorly represented in museum collections, possibly due to their very small to medium size (1.5–9 mm) and specialized ecological niche. In his account of the Trogossitidae: Trogossitinae (as Ostomatidae: Temnochilinae) of the French Antilles, Lepesme (1947) documented only two Nemozoma species, each known only from individual islands: Nemozoma fleutiauxi Lepesme, 1947 (Figs. 4, 5) from Guadeloupe, and Nemozoma landesi Léveillé, 1901 (Fig. 6) from Martinique. Despite the limited geographic scope covered by Lepesme (1947), both N. landesi and N. fleutiauxi represented the only species of this genus recorded from the en- tire West Indies (Blackwelder 1945; Léveillé 1901, 1910). Subsequent to Lepesme (1947), the only ad- ditional West Indian records for Nemozoma are from Schiller (2004), who encountered N. fleutiauxi on Guadeloupe, and Ivie et al. (2008), who listed two specimens of “Nemosoma sp.” from Montserrat. Collected during intensive surveys to document the coleopterous fauna of Montserrat as part of the West Indian Beetle Fauna Project (WIBP) directed by M. A. Ivie at Montana State University, the two spec- imens recorded by Ivie et al. (2008), and an addi- tional three discovered during subsequent sorting and mounting efforts, represent a hitherto unknown spe- cies which is described below. This new species brings the total number of described New World Nemozoma species to 22. MATERIALS AND METHODS Species concepts for Nemozoma are based on Lepesme and Paulian (1944), Lepesme (1947), and the author’s examination of primary types as out- lined in Kippenhan (2023). The author utilizes the phylogenetic species concept of Wheeler and Platnick (2000). Institutional abbreviations mentioned in the text are as follows: MNHN Muséum National d’Histoire Naturelle, Paris, France (Antoine Mantilleri) NMNH United States National Museum of Natural History, Smithsonian Institution, Washington, DC, USA WIBF West Indian Beetle Fauna Project Collection, Montana State University, Bozeman, MT, USA (Michael A. Ivie) Morphological characters of adult specimens utilized during this study were examined with an Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman mailto:kippenhan138@gmail.com http://doi.org/10.1649/0010-065X-78.3.379 http://Zoobank.org/urn:lsid:zoobank.org:pub:B32F1296-CDBB-4319-95EB-B4C9885BCD43 380 THE COLEOPTERISTS BULLETIN 78(3), 2024 AmScope SM745 stereomicroscope. Measurements were taken with a Bioquip 5-mm hand-held micro- ruler and follow Kippenhan (2023) where measure- ments for the head, pronotum, and elytra were taken independently from one another: head length (HL) was measured from the tips of the bilobed projec- tions to the anterior margin of the pronotum; head width (HW) was the maximum width across the eyes; pronotal length (PL) was measured along the midline from the anterior to posterior margins; pro- notal width was measured across the maximum width; elytral length (EL) was measured from the humeral angles to the apex; elytral width (EW) was measured across both elytra at the maximum width which occurs in the posterior quarter. Quoted spec- imen label data utilizes a forward slash (/) to repre- sent line breaks and a double forward slash (//) to separate labels. All data is presented verbatim. All labels are typeset unless otherwise noted. One of the five specimens comprising the type series is missing its abdomen; of the remaining four, two were relaxed, after which the abdomen was removed and placed in 10% KOH solution until partially cleared. Both proved to be female. Since there are no discernible external morphological dif- ferences between the specimens, it is presumed that all five are female. The two remaining complete specimens were left intact to facilitate future studies. Illustrations were created by the author as fol- lows: a photograph of the subject was taken through the eyepiece of the AmScope SM745 stereomicro- scope utilizing a hand-held iPhone. The resulting image was next opened in Adobe Photoshop® where it was converted to grayscale and “Image > Levels” adjusted to obtain the desired contrast. The image was then printed on a black-and-white laser printer, after which it was traced by hand and refined while comparing it to the actual subject. This initial sketch was enlarged to the desired size and further refined through a series of comparative tracings to capture the details, proportions, and perspective of the subject. Once a sketch was determined to best represent the subject, it was rendered on translucent Mylar film utilizing a Koh-I-Noor Rapidograph® pen where details and shading were applied. TAXONOMY Nemozoma lepesmei Kippenhan, new species zoobank.org/urn:lsid:zoobank.org:act: 0BA5108F-1B8E-4887-97B9-E161A0907EB5 (Figs. 1, 2, 3A) Diagnosis. Body (Figs. 1A, B) slender; head, pronotum, and scutellar shield castaneous to pi- ceous, elytra testaceous with piceous lateral margin expanded slightly inward in central portion; antenna comprised of 10 antennomeres with compact club (Fig. 2A); frontoclypeus bifurcated with short, stout, tapered anterior projections; mentum not produced, bidentate (Fig. 2C); head with uniformly spaced, elongate punctures (Fig. 3A); elytral punctation se- riate, deeply corrugated at apex, elytra together 2.74 times as long as wide on average; not brachypterous. Type Specimens. Holotype female: “MONT- SERRAT: Hope Ridge / 16.7695°N, 62.2123°W / 19JUNE2002, 320m,K.Marske / J.Boatswain & L.Martin / canopy fogging, dawn // [Barcode] WIBF 087736” // [red label] HOLOTYPE / Nemozoma lep- esmei / M. Kippenhan”. Specimen in WIBF, to be deposited in the NMNH. Paratypes: 1 — “MONTSERRAT: Hope Ghaut / 16.7628°N, 62.2123°W / 01 AUG 2003, 320m / J.Boatswain & L.Martin / canopy fogging, dawn // [Barcode] WIBF 089263” (WIBF). 1 — “MONTSERRAT: Fogerty / 16°46.24’ N. 62°12.53’ W / 30 JULY 2003, 1224ft. / J.Boatswain & M.Hulme / Canopy fogging, dawn // [Barcode] WIBF 079310 // [hand written and typeset] Nemosoma / det. M. A. Ivie 2004” (WIBF). 1 — “GUADELOUPE: BasseTerre / Gourbeyre / 10-20 JULY 2003 / J. Touroult colr” (WIBF). 1 — “GUADELOUPE: BasseTerre / Gourbeyre / JULY 2003 / J. Touroult colr // [hand written and typeset] Nemosoma / n. sp. / det. M. A. Ivie 2006” (WIBF). All paratypes with: “[yellow label] PARATYPE / Nemozoma lepesmei / M. Kippenhan”. Description. Female: Overall length: 2.7–3.3 mm; HL: 0.76–0.90 mm, HW: 0.50–0.65 mm; PL: 0.65– 0.82 mm, PW: 0.52–0.65 mm; EL: 1.48–1.75 mm, EW: 0.50–0.65 mm. Head uniformly castaneous to piceous with central area of bilobed frontocly- peus projections rufous; width slightly tapered to basal margin, shorter than pronotum; frontoclypeus deeply bifurcated with two short, stout, lobe- like extensions covering the base of the mandibles (Fig. 3A); with medial conical depression and wide, well-defined median longitudinal sulcus extending to center of eyes; labrum very short, broadly con- cave, visible only slightly beyond base of fronto- clypeal emargination, anterior margin with long setae, testaceous; mandibles short, thick, hypogna- thous, teeth castaneous with rufous central area, with uniformly spaced, elongate punctures; head punc- tate, dorsal surface with well impressed, medium- sized, elongate punctures approximately three to four times as long as wide, directed more-or-less longitudinally inward, punctures in posterior area widely spaced, becoming more densely spaced an- teriorly; lateral and ventral surfaces of head with small, slightly elongate, widely spaced punctures; mentum (Fig. 2C) trisinuate, impunctate; eye large, raised slightly above contour of head, subovate, coarsely faceted, dorsal margin situated slightly above lateral centerline of head. Antenna short, middle of terminal antennomere extending to anterior lateral edge of pronotum, composed of Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman zoobank.org/urn:lsid:zoobank.org:act: 0BA5108F-1B8E-4887-97B9-E161A0907EB5 zoobank.org/urn:lsid:zoobank.org:act: 0BA5108F-1B8E-4887-97B9-E161A0907EB5 THE COLEOPTERISTS BULLETIN 78(3), 2024 381 10 antennomeres, each testaceous with a dark base; scape large, globose, with three long setae on ante- rior face; pedicel subcylindrical, slightly wider than antennomeres 3–7; antennomeres 3–7 very small, gradually larger from 3 to 7, densely spaced; anten- nomeres 8–10 unilaterally expanded into a compact club (Fig. 2A), with dense setae on sensorial fields; sensorial fields on antennomere 8 covering approx- imately 15% of surface, on antennomere 9 covering approximately 20% of surface, on antennomere 10 covering approximately 30% of surface; antennom- ere 10 pentagonal, longer than wide, with apical corners rounded. Pronotum uniformly castaneous to piceous with anterior margin slightly lighter; elon- gate, approximately 1.5 times longer than wide, widest at anterior margin; sides relatively parallel, tapering slightly inward to basal margin; anterior margin almost straight; basal angles obtuse; disc with well defined, uniformly spaced, small, subcir- cular punctures, punctures in longitudinal centerline more widely spaced; raised lateral bead well defined, anterior portion thinner, curved upward at anterior angle; scutellar shield castaneous to piceous. Elytra uniformly testaceous with piceous lateral margin expanded medially in central portion; elytral length greater than head and pronotal length combined, elytral combined width slightly narrower than that of pronotum and head, in dorsal view slightly con- stricted near middle, widest at apical four-fifths, apical margin rounded; elytron with 10 rows of Fig. 1. Nemozoma lepesmei, new species (WIBP). A) Holotype, dorsal habitus, B) Holotype, lateral habitus, C) Paratype, female genitalia, D) Holotype, labels. Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman 382 THE COLEOPTERISTS BULLETIN 78(3), 2024 large, deep, serially arranged punctures, rows 1–5 extending entire length of elytra, becoming more deeply impressed in apical quarter to form strial corrugations, 10th row with largest and deepest punctures; elytra with subcircular translucent area around all punctures; epipleuron complete; basal marginal bead of epipleuron extending onto and becoming slightly discernible on humeri; humeral angles broadly rounded. Prosternum uniformly castaneous to piceous with widely spaced, shallow, medium- to large-sized, circular punctures; notos- ternal suture obscured; hypomeron impunctate; in- tercoxal process with sides slightly concave, widest in anterior quarter, with raised bead along coxal cavities. Mesoventrite uniformly castaneous to piceous with a few scattered, small punctures in central area. Metaventrite castaneous to piceous with medium- to large-sized, shallowly impressed punctures in anterior half, punctures decreasing in size posteriorly; metanepisternum impunctate. Abdomen with ventrites 1–4 castaneous, ventrite 5 testaceous, mostly impunctate with scattered setae over surface. Legs with femora testaceous, piceous to castaneous at apex, thick, wider at base than api- cally; tibiae testaceous, castaneous along margins, longer than femora, narrow at base and gradually expanded to broad apex; tarsal formula 5-5-5 with tarsomere 1 minute, but discernible, and fused to tarsomere 2; protibia (Fig. 2B) with three castaneous spines on outer margin, two large, stout, piceous, posteriorly facing spines on outer margin at apex, one very small spine on inner margin at apex, and one large, curved apical spur subequal in length to tarsomeres 1–3 combined; mesotibia with same Fig. 2. Adult structures of Nemozoma lepesmei, new species, paratype. A) Left antennal club, B) Left protibia (ts = tibial spur, tsp = tibial spine), C) Mentum. Scale bar is for A–C. Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman THE COLEOPTERISTS BULLETIN 78(3), 2024 383 spine pattern as protibia, with one small apical spur; metatibia without spines on outer margin, two small spines at apex, and one small apical spur; all tibiae with few scattered setae over surface; protibia with additional long setae along inner margin and at apex; mesotibia with additional setae along inner margin. Ovipositor coxite with two large, robust, claw-like appendages near apex, stylus small (Fig. 1C). Variation. One paratype has the elytra slightly lighter in color. The dark elytral margin and corre- sponding lateral expansion vary slightly in size, including one specimen without lateral expansion. Distribution. The French Antillean islands of Montserrat and Guadeloupe. On Montserrat, the holotype and two paratypes were collected along the northwestern boundary of the Centre Hills, a high-elevation montane forest reserve believed to be home to over 90% of Montserrat’s invertebrate species (Ivie et al. 2008). The two paratypes col- lected on Guadeloupe are both labeled as “Gourbeyre”, a small town in the far south of Basse- Terre; unfortunately, no further details regarding these two specimens are available. Etymology. This species is dedicated to the French entomologist Pierre Lepesme (1913–1957) whose studies on Nemozoma (Lepesme and Paulian 1944) and the Trogossitidae of the French Antilles (Lepesme 1947) have been central to my under- standing of this fascinating family of predatory beetles. Remarks. Nemozoma lepesmei is morphologi- cally similar to N. landesi and N. fleutiauxi in shar- ing an antenna with 10 antennomeres and a compact, unilaterally expanded club, the posterior margin of the elytra with deep, corrugated striae, and small overall length. Kippenhan (2023) observed that the genitalia of Trogossitidae (sensu Gimmel et al. 2019) remain un- derstudied. In regards to female genitalia, Tanner (1927) illustrated the ovipositor of Temnoscheila chlorodia (Mannerheim), commenting that the struc- tures were of the cantharoid type. Barron (1971) also illustrated the ovipositor of T. chlorodia while Kolibáč (2005) illustrated ovipositors from representative worldwide genera. As far as Nemozoma taxa, only the ovipositors of Nemozoma gymnosternalis Kolibáč and Nemozoma woodi Kippenhan have been illus- trated (Kippenhan 2023; Kolibáč 2014). According to these prior studies, all ovipositors from all genera have simple coxites similar to those depicted by Tanner (1927). The ovipositor of N. lepesmei, how- ever, is striking in that it has two outwardly facing, claw-like appendages near the apex of the coxite on either side of the stylus (Fig. 1C), the function of which can only be guessed. These unique claw-like appendages indicate that the female genitalia of the Trogossitidae deserve further study to determine their value for species-level delimitation. KEY TO THE SPECIES OF NEMOZOMA OF THE WEST INDIES 1. Frontoclypeal bifurcated margin with short, stout, conical anterior projections (Fig. 3A); head and pronotum uniformly castaneous to piceous (Figs. 1A, B); elytra testaceous with darker lateral margins, darker coloration ex- tended medially in center portion (Fig. 1B) ...... ...........N. lepesmei Kippenhan, new species 1′. Frontoclypeal bifurcated margin with very short, blunt anterior projections (Fig. 3B); coloration not as above ............................... 2 Fig. 3. Heads of adult Nemozoma species. A) N. lepesmei, new species, holotype (WIBP), B) N. fleutiauxi (WIBP). Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman 384 THE COLEOPTERISTS BULLETIN 78(3), 2024 2. Pronotum uniformly testaceous; elytra testa- ceous in basal half, remainder piceous with ovate testaceous patch on each elytron (Figs. 4A, B, 5A, B) ............N. fleutiauxi Lepesme 2′. Pronotum testaceous in anterior half, re- mainder castaneous; elytra testaceous with piceous band across center (Figs. 6A, B) ....... ........................................ N. landesi Léveillé NEW DISTRIBUTION RECORDS Nemozoma fleutiauxi Lepesme, 1947 (Figs. 3B, 4, 5) Nemosoma fleutiauxi Lepesme 1947: 177. Nemozoma fleutiauxi: Kolibáč 2013: 69. Lepesme (1947) described this species from a single specimen, 1.5 mm in length, collected on the island of Guadeloupe and housed in the Grouvelle Collection at MNHN (Fig. 4). The overall coloration of the single specimen from Montserrat (WIBF) is noticeably lighter and appears more similar to N. landesi in color pattern; however, this may be due to the specimen being teneral when collected. Schiller (2004) recorded N. fleutiauxi from Guadeloupe under the bark of Tabebuia pallida (Lindl.) Miers (Bignoniaceae). To these records, the following can be added: GUADELOUPE: “GUADELOUPE: Basse T. / Gourbeyre, Palmiste / 05-20 JAN 2003 / J. Touroult colr. // [hand written and typeset] Nemosoma / fleuti- auxi / Lepesme / det. M. A. Ivie 2022” [1, WIBF]. “GUADELOUPE: / Basse-Terre, Gourbeyre / Foret de Moscou / 01-07 FEB 2003 / J. Touroult colr. // [hand written and typeset] Nemosoma / fleutiauxi / Lepesme / det. M. A. Ivie 2022” [1, WIBF]. MONTSERRAT (new island record): “MONTSERRAT: Underwood Ght / 16° 46.327’N, 62°11.734’W / 1230 ft, 21 FEB 2003 / J.Daley & L.Aymer / canopy fogging, dawn // [hand written and typeset] Nemosoma / n. sp. / nr. fleu- tiauxi / det. M. A. Ivie 2006 // [Barcode] WIBF 079311” [1, WIBF]. NEVIS (new island record): “NEVIS: St.James Widwrd Par / Camps Watershed / 17.1894°N 62.5780°W / 30 MAY 2017. 70m / WIBF crew.uv light // [Barcode] WIBF 055877 // [hand writ- ten and typeset] Nemosoma / fleutiauxi / Lepesme / det. M. A. Ivie 2022” [1, WIBF]. DISCUSSION Of the 22 species of New World Nemozoma, only three—N. fleutiauxi, N. landesi, and N. lepesmei— have been recorded from the West Indies. Interestingly, of the three archipelagos comprising Fig. 4. Nemozoma fleutiauxi, holotype (MNNH). A) Dorsal habitus, B) Lateral habitus, C) Labels. Scale bar is for A and B. Images © 2024 MNHN/Christophe Rivier. Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman THE COLEOPTERISTS BULLETIN 78(3), 2024 385 Fig. 6. Nemozoma landesi, holotype (MNHN). A) Dorsal habitus, B) Lateral habitus, C) Labels. Scale bar is for A and B. Images © 2022, MNHN/Christophe Rivier. Fig. 5. Nemozoma fleutiauxi (WIBP). A) Dorsal habitus, B) Lateral habitus. Scale bar is for A and B. Downloaded From: https://bioone.org/journals/The-Coleopterists-Bulletin on 10 Jan 2025 Terms of Use: https://bioone.org/terms-of-use Access provided by Montana State University Bozeman 386 THE COLEOPTERISTS BULLETIN 78(3), 2024 the West Indies—Lucayan, Greater Antillean, and Lesser Antillean—these species are known from only three islands within the Lesser Antilles. The absence of Nemozoma from the remainder of the Lesser Antilles and entirely from the Lucayan and Greater Antillean archipelagos is incongruous with the other trogossitid genera inhabiting the West Indies: Airora Reitter, 1876, Corticotomus Sharp, 1891 [as Colydobius Sharp, 1891 in Léveillé (1910), Lepesme (1947), and Blackwelder (1945)], Temnoscheila Westwood, 1830, and Tenebroides Piller and Mitterpacher, 1783. These all have a broader distribution, and appear to be more speciose, in the West Indies than represented in the catalogs of Léveillé (1910), Blackwelder (1945), and Kolibáč (2013). On the other hand, more localized distribu- tion within the bioregion is seen in the genera Calanthosoma Reitter, 1876 and Eupycnus Sharp, 1891, each with only a single recorded species (Kolibáč 2013). Due to the complex geologic history of the West Indies and lack of a phylogenetic anal- ysis of Nemozoma, any discussion as to the present- day biogeographic pattern or origins of ancestral lineages through either overwater dispersal or vicari- ance models (Hedges 2001) would be premature. This is especially true considering that it is unclear whether the apparently limited present-day West Indian distribution of Nemozoma species reflects their true distribution or is an artifact of collecting. The labels of museum specimens of Nemozoma taxa, as well as literature accounts, indicate that the majority were collected by traditional hand tech- niques centered around the examination of fallen/ dead trees. Modern advances in collecting tech- niques such as Lindgren funnel trapping (Griswold 2015; Kippenhan 2023; Sakamoto 2007) have demonstrated that this technique can be effective for collecting Nemozoma. While canopy fogging has proven an especially effective technique when try- ing to ascertain arthropod diversity and communal composition (Erwin 1982; Floren et al. 2022), the only accounts of Nemozoma collected via this method the author is aware of are the aforemen- tioned distributional records for both N. fleutiauxi and N. lepesmei. Given that the three West Indian Nemozoma species represent some of the smallest- bodied members of the genus, future applications of canopy fogging may be worthwhile when at- tempting to collect these rare and elusive beetles. The infrequency of their collection is well illustrated by the fact that during the course of intensive sam- pling on Montserrat conducted by members of the WIBP, only one specimen of N. fleutiauxi and three specimens of N. lepesmei were found among the over 35,000 arthropods collected (M. A. Ivie, per- sonal communication). Ultimately, it will take a variety of focused collecting techniques to help yield further insights into the biogeography of Nemozoma in the West Indies as well as the inter- island distribution of individual species. ACKNOWLEDGMENTS This project could not have been possible without the assistance and hospitality of Antoine Mantilleri during my visits to the MNHN. Christophe Rivier (MNHN) provided the invaluable images of the types of N. fleutiauxi and N. landesi. Joshua Dunlap (Oregon Department of Agriculture, Wilsonville, OR, USA) provided the excellent images for the type of N. lepesmei and additional images of N. fleutiauxi. Richard Leschen (New Zealand Arth- ropod Collection, Auckland, NZ) provided sugges- tions for the examination and insights into understanding of beetle genitalia. Two anonymous reviewers provided helpful suggestions. This project could not have been possible without the guidance and encouragement of Michael A. Ivie (Montana Entomological Collection, Bozeman, MT, USA) who allowed me to examine the trogossitids housed in the West Indian Beetle Fauna Project collection and describe this unique species. REFERENCES CITED Barron, J. R. 1971. A revision of the Trogositidae of America north of Mexico (Coleoptera: Cleroidea). Memoirs of the Entomological Society of Canada 75: 1–143. Blackwelder, R. E. 1945. Checklist of the coleopterous insects of Mexico, Central America, the West In- dies, and South America, part 3. Bulletin of the United States National Museum 185: i–iv, 343– 550. doi.org/10.5479/si.03629236.185.3. Bright, D. E. 1976. Biological notes and new localities for three rare species of North American Trogosit- idae (Coleoptera). The Coleopterists Bulletin 30: 169–170. www.jstor.org/stable/3999814. Erwin, T. L. 1982. Tropical forests: Their richness in Co- leoptera and other arthropod species. The Coleop- terists Bulletin 36: 74–75. www.jstor.org/stable/ 4007977. Floren, A., K. E. 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