Diabrotica tricolor Jacoby

Species name

Diabrotica tricolor Jacoby 1887: 517

Type locality

Guatemala, Paso Antonio

Type depository

BMNH, lectotype, male, verified

Diagnosis

Body length 4.0-4.4 mm. Body width 2.1-2.3 mm. Head basic color black. Antennae serrateserrate:
in reference to antennae, saw-like, often with a sharp ridge on the outer margin
, with thickened antennomeres 4-8, bi- or tricolored, antennomeres 1-3 yellow, upper sides darkened, antennomeres 4-11 cinnamon brown. Maxillary palpi and labrumlabrum:
the "upper lip" of beetles, a movable sclerite joined under clypeus
black or chestnut. Pronotumpronotum:
the notum of the prothorax with highly sclerotized pronotal disc
black, subquadrate, nonfoveate, shagreened with narrow long meshes. Scutellumscutellum:
small, usually triangular shield between the bases of elytra
black. Elytra yellow or rufous, with two bandsbands:
(here) transverse maculae on the beetle elytra
of different color, basalbasal:
of or pertaining to the base, as in the first, or basal segment of an appendage; opposite of apical
band black or testaceous, medium band ochraceous-orange or rufous, apexapex:
<em>(pl. apices)</em> the far distal end of a structure; opposite of base
yellow. Elytral epipleura bicolored, yellow, darkened in basalbasal:
of or pertaining to the base, as in the first, or basal segment of an appendage; opposite of apical
1/3 to 1/2, sutural anglesutural angle:
the posterior angle or apex of the elytron near the suture
of elytra round, punctation scattered, fine. Abdomen yellow. Legs black. Aedeagusaedeagus:
the main sclerotized part of the male genitalia; "aedeagus" is used here instead of "median lobe of aedeagus"
symmetric, with three internal sac scleritessclerites:
(here) the sclerotized hooks, spines or plates in the internal sac
.

Known distribution

Guatemala

Host plants

Unknown

             Diabrotica tricolor Jacoby, homoparalectotype, USNM,   male, habitus, dorsal view

Diabrotica tricolor Jacoby, homoparalectotype, USNM, male, habitus, dorsal view

             Diabrotica tricolor Jacoby, homoparalectotype, USNM, male,   habitus, lateral view

Diabrotica tricolor Jacoby, homoparalectotype, USNM, male, habitus, lateral view

             Diabrotica tricolor Jacoby, homoparalectotype, USNM,   internal sac, ventral view

Diabrotica tricolor Jacoby, homoparalectotype, USNM, internal sac, ventral view

             Diabrotica tricolor Jacoby, homoparalectotype, USNM,   internal sac, lateral view at right

Diabrotica tricolor Jacoby, homoparalectotype, USNM, internal sac, lateral view at right

             Diabrotica tricolor Jacoby, homoparalectotype, USNM,   internal sac, lateral view at left

Diabrotica tricolor Jacoby, homoparalectotype, USNM, internal sac, lateral view at left

             Diabrotica tricolor Jacoby, lectotype,   labels

Diabrotica tricolor Jacoby, lectotype, labels