Hippeutister Reichensperger, 1935

Caterino, Michael S. & Tishechkin, Alexey K., 2008, A review of Hippeutister Reichensperger with new species from California and Costa Rica (Coleoptera: Histeridae: Hetaeriinae), Zootaxa 1895, pp. 39-52 : 41

publication ID	https://doi.org/10.5281/zenodo.184407
DOI	https://doi.org/10.5281/zenodo.6235883
persistent identifier	https://treatment.plazi.org/id/975B87C1-B15C-FFF9-FF48-B4B7FA9E48EA
treatment provided by	Plazi (2016-04-06 22:12:03, last updated 2024-11-27 06:32:48)
scientific name	Hippeutister Reichensperger, 1935
status

Treatment

Hippeutister Reichensperger, 1935 View in CoL

Solenopsister Wenzel, 1938: 318 View in CoL ; Blackwelder, 1944: 186. Type species: Solenopsister amabilis View in CoL .

Type species: Hippeutister solenopsidis Reichensperger, 1935: 208 (= H. manicatus Lewis ), by monotypy.

Diagnosis: Hippeutister is easily recognizable among Hetaeriinae , and almost undoubtedly monophyletic. It is most easily recognized by the broad, weakly convex prosternum with strongly divergent carinal striae, its deeply, triangularly emarginate prosternal keel, and by the correspondingly broad mesosternal projection ( Fig. 6 View FIGURE 6 ). A number of other features are more unusual among neotropical Hetaeriinae , and are also useful in recognizing members of Hippeutister . They have a cylindrical, obliquely truncate antennal club ( Fig. 3 View FIGURE 3 B), the frons is longitudinally depressed along inner edge of eye, resulting in a distinct ocular carina ( Fig. 7 View FIGURE 7 ), the prosternum has an extra, third pair of carinal striae ( Fig. 6 View FIGURE 6 ), the pronotum exhibits oblique depressions extending forward from posterior corners ( Figs. 4 View FIGURE 4 , 5 View FIGURE 5 ), the elytra lack striae (though they may be weakly marked by punctures or setae), and the dorsum of the elytra is margined by a strong epipleural carina ( Figs. 4 View FIGURE 4 , 8 View FIGURE 8 ). It is most similar to members of the genus Poneralister Bruch , which are identical in characters of the frontal carinae. The pro- and mesosternal characters of Hippeutister separate the two genera easily.

References

Blackwelder, R. E. (1944) Checklist of the Coleopterous Insects of Mexico, Central America, the West Indies, and South America. Bulletin of the USNM, 185 (1 - 6), 1 - 1492.

Reichensperger, A. (1935) Beitrag zur Kenntnis der Myrmekophilenfauna Brasiliens und Costa Ricas III. (Col. Staphyl. Hist.). Arbeiten uber Morphologische und Taxonomische Entomolgie aus Berlin-Dahlem, 2, 188 - 218.

Wenzel, R. L. (1938) New and little known Neotropical Hetaeriomorphini (Coleoptera: Histeridae). Revista de Entomologia, 9, 317 - 321.

Figures

FIGURE 3. SEM photographs. A. mouthparts of Hippeutister californicus. B. Antenna of H. solisi. C. Pygidium of H. californicus. D. Pygidium of H. solisi.

FIGURE 4. Dorsal SEM photographs showing elytra. A. Hippeutister californicus. B. H. solisi, C. H. castaneus. D. H. manicatus.

FIGURE 5. Dorsal SEM photographs showing pronota. A. Hippeutister californicus. B. H. solisi, C. H. castaneus. D. H. manicatus.

FIGURE 6. Ventral SEM photographs showing sterna. A, B. Hippeutister californicus. C. H. solisi, D, E. H. castaneus. F. H. manicatus. G. H. plaumanni.