Diabrotica rogersi Jacoby

Species name

Diabrotica rogersi Jacoby 1887: 509

Type locality

Costa Rica, Rio Sucio

Type depository

BMNH, lectotype, male, verified

Diagnosis

Body length 7.5-8.2 mm. Body width 3.5-4.0 mm. Head basic color black. Antennae filiformfiliform:
slender antennae with antennomeres of similar shape
, bi- or tricolored, antennomeres 1-3 yellow, upper sides darkened, antennomeres 4-8 brussels brown, antennomeres 9-10 sulphur yellow, antennomereantennomere:
"segment" of antenna, more or less clearly separated
11 dark apically. Maxillary palpi and labrumlabrum:
the "upper lip" of beetles, a movable sclerite joined under clypeus
black. Pronotumpronotum:
the notum of the prothorax with highly sclerotized pronotal disc
yellow, mustard yellow, red or rufous, subquadrate, weakly bifoveate, with wide shallow foveae, not shagreened. Scutellumscutellum:
small, usually triangular shield between the bases of elytra
black or amber brown. Elytra yellow or rufous, with two metallic black blue bandsbands:
(here) transverse maculae on the beetle elytra
, one wide band in elytral base, another narrow band in apexapex:
<em>(pl. apices)</em> the far distal end of a structure; opposite of base
. Bandsbands:
(here) transverse maculae on the beetle elytra
may be connected, forming two irregularly round macula. Elytral epipleura completely yellow, sutural anglesutural angle:
the posterior angle or apex of the elytron near the suture
of elytra round, punctation dense, fine. Abdomen yellow. Tarsi and tibiae black or chestnut, femora yellow or sulphur yellow. Aedeagusaedeagus:
the main sclerotized part of the male genitalia; "aedeagus" is used here instead of "median lobe of aedeagus"
symmetric, with five internal sac scleritessclerites:
(here) the sclerotized hooks, spines or plates in the internal sac
.

Known distribution

Costa Rica, Panama

Host plants

Unknown

Potential problems with identification

Diabrotica rogersi Jacoby is similar to D. pulchella (Jacquelin-du-Val), D. g1n and D. g2n. They can be separated by the leg color: black tarsi and tibiae in D. rogersi and completely yellow legs in D. pulchella, D. g1n and D. g2n.