Cerambycidae of the World

Calocosmus rawlinsi Lingafelter, 2013

Calocosmus rawlinsi Lingafelter, 2013
Calocosmus rawlinsi Lingafelter, 2013 Holotype
Male imago
Image from: Lingafelter SW (2013) Hispaniolan Hemilophini (Coleoptera, Cerambycidae, Lamiinae). ZooKeys 258: 53–83. doi: 10.3897/zookeys.258.4391 (c) Lingafelter SW (2013)
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Countries and regions
Antilles islands
Diagnosis. This slender species is distinguished from all other Hispaniolan hemilophines
by the combination of having the legs nearly completely dark reddish-brown
to black, base of elytron, including scutellum, nearly completely dark, apical region of
elytron dark, mostly pubescent and impunctate, and humeri not projecting. It is most similar to C. chevrolati Fisher, but in that species the femora and scutellum are fulvousorange
and the apical black elytral macula is mostly punctate.
Description. Size: 9.6 mm long; 2.7 mm wide between humeri. Head with dense
vestiture of very short, appressed yellow-orange setae, not thickened at base, not obscuring
surface, most dense on frons and antennal tubercles, less dense elsewhere.
Scattered long, black setae present on frons. Large, well-defined, non-contiguous
punctures scattered throughout head. Frons not bulging, slightly concave between
eyes with poorly defined median groove extending to vertex. Gena below lower eye
lobe and mandibular base about one-half height of lower eye lobe; frontal-genal ridge
incomplete, extending dorsally but not contacting eye margin. Anteclypeal sulcus
absent. Eye large, slightly bulging laterally on lower lobe beyond plane of head, finely
faceted, upper lobe connected to lower lobe by 3 facets at narrowest point, lower
lobe larger than upper lobe, occupying about one-third of head from lateral view.
Interantennal region weakly impressed, antennal tubercles weakly elevated. Antenna
moderately slender, exceeding elytral apex by a little more than 2 antennomeres in
male (females unknown). Antenna with vestiture of appressed, dense, short, black
pubescence and fringe of long setae, especially at antennomere apices and mesal margins.
Antennomeres black with exception of extreme bases of 3–7 that are orangefulvous
annulate. Antennomere 3 not very long (only slightly longer than scape +
2; shorter than 4+5), subsequent antennomeres subequal or gradually decreasing in
length. Prothorax cylindrical, broader than long (1.5 mm long; 2.0 mm wide), distinctly
narrower than elytral base, with small lateral protuberance at middle, densely
covered with appressed, short, yellowish-orange scale-like pubescence, however not
completely obscuring integument. Pronotum with overall orange appearance, without
maculae. Pronotum with distinct, large, non-contiguous punctures on most of
disc, without dorsal calli or tubercles. Pronotum a little less than one-sixth length of
body. Prosternum inconspicuously pubescent with short, appressed, orange or yellow
setae. Prosternal process between strongly protuberant procoxae, broadly expanded
at apex, closing procoxal cavities posteriorly. Elytron with distinct, dense punctures
throughout but absent from most of apical black maculate region, covered in dense,
short pubescence of two colors, black and yellow-orange, but not obscuring surface.
Elytral color with black and orange pattern as follows: most of basal third black,
most of middle third orange, most of apical third black. Humerus not projecting
anterolaterally, without glabrous region. Elytral apices narrowly rounded to suture,
without spines. Elytron 7.3 mm long; 1.4 mm wide; elytral length/width: 5.2. Scutellum
broadly rounded posteriorly, with moderately dense, black pubescence and dark
ground color. Legs with tibiae weakly thickened apically. Metafemur extending to
third ventrite. Legs mostly covered with black setae, not obscuring surface, becoming
most dense at apex of tibiae. Legs black throughout except for coxa and anterior face
of profemur which are reddish-brown. Venter mostly densely but inconspicuously
pubescent (not obscuring surface). Venter mostly orange throughout, but suffused
with darker areas on some thoracic and abdominal sclerites. Apex of fifth ventrite of
male rounded, without median notch (females unknown).

Etymology. The species epithet is a genitive patronym in honor of John Rawlins
(CMNH) for leading important expeditions to the Dominican Republic and collecting
the holotype.

Description from: Lingafelter SW (2013) Hispaniolan Hemilophini (Coleoptera, Cerambycidae, Lamiinae). ZooKeys 258: 53–83. doi: 10.3897/zookeys.258.4391
Last revision
08 August 2014 14:49 by Arvids Barsevskis
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