Calocosmus janus

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This page should be cited as follows (rationale):
Lingafelter S (2013) Hispaniolan Hemilophini (Coleoptera, Cerambycidae, Lamiinae). ZooKeys 258 : 53–83, doi. Versioned wiki page: 2013-01-15, version 30050, , contributors (alphabetical order): Pensoft Publishers.

Citation formats to copy and paste


author = {Lingafelter, Steven W.},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Hispaniolan Hemilophini (Coleoptera, Cerambycidae, Lamiinae)},
year = {2013},
volume = {258},
issue = {},
pages = {53--83},
doi = {10.3897/zookeys.258.4391},
url = {},
note = {Versioned wiki page: 2013-01-15, version 30050, , contributors (alphabetical order): Pensoft Publishers.}


RIS/ Endnote:

T1 - Hispaniolan Hemilophini (Coleoptera, Cerambycidae, Lamiinae)
A1 - Lingafelter S
Y1 - 2013
JF - ZooKeys
JA -
VL - 258
IS -
UR -
SP - 53
EP - 83
PB - Pensoft Publishers
M1 - Versioned wiki page: 2013-01-15, version 30050, , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.258.4391

Wikipedia/ Citizendium:

<ref name="Lingafelter2013ZooKeys258">{{Citation
| author = Lingafelter S
| title = Hispaniolan Hemilophini (Coleoptera, Cerambycidae, Lamiinae)
| journal = ZooKeys
| year = 2013
| volume = 258
| issue =
| pages = 53--83
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.258.4391
| url =
| pmc =
| accessdate = 2019-06-16

}} Versioned wiki page: 2013-01-15, version 30050, , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Ordo: Coleoptera
Familia: Cerambycidae
Genus: Calocosmus


Calocosmus janus BatesWikispecies linkPensoft Profile


This species is easily distinguished from all other Hispaniolan Hemilophini by the uniformly purplish-black elytra, black antennae without annulations, and pronounced elytral humeri. The only other species with mostly dark elytra are Calocosmus punctatus, Calocosmus semimarginatus, and Calocosmus nigripennis. Calocosmus punctatus is distinguished easily by having the antennae with basal annulations of gray pubescence on most antennomeres, the elytra with scattered fulvous regions, and having the elytral punctures far more dense and well defined than in Calocosmus janus. Calocosmus semimarginatus and Calocosmus nigripennis are easily distinguished by lacking humeral projections and by their small size (most specimens less than 8 mm long while most specimens of Calocosmus janus are greater than 10 mm long).


Calocosmus holosericeus Gahan is a new synonym of Calocosmus janus Bates. Photos of the holotypes show they are nearly identical, as are the original Latin descriptions for each. Calocosmus holosericeus was described from Hispaniola and Calocosmus janus was described from Cuba. The Dominican Republic and Hispaniola therefore represent new country and island records for Calocosmus janus.

New distributional data

Dominican Republic, Pedernales Province, Parque Nacional Sierra de Baoruco, Las Abejas, 18°09.011'N, 71°37.342'W, 1150 m, 18 June 2005, S. Lingafelter (1 specimen, USNM); Dominican Republic, Barahona Province, 4.5 km S. Barahona, 23 May 1992, R. Turnbow (1 specimen, RHTC).

Taxon Treatment

  • Lingafelter, S; 2013: Hispaniolan Hemilophini (Coleoptera, Cerambycidae, Lamiinae) ZooKeys, 258: 53-83. doi