Diabrotica tessellata Jacoby

Species name

Diabrotica tessellata Jacoby 1887: 505

Type locality

Bugaba, Panama

Type depository

BMNH, lectotype, male, verified

Diagnosis

Body length 7.0-7.5 mm. Body width 3.7-4.2 mm. Head basic coloration black. Antennae filiformfiliform:
slender antennae with antennomeres of similar shape
, bi- or tricolored, antennomereantennomere:
"segment" of antenna, more or less clearly separated
1 yellow, antennomeres 2-3 yellow, upper sides darkened, antennomeres 4-8 and 11 brussels brown, antennomeres 9-10 yellow ocher. 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 or mustard yellow, subquadrate, nonfoveate, not shagreened. Scutellumscutellum:
small, usually triangular shield between the bases of elytra
black. Elytra yellow or rufous, with three black bandsbands:
(here) transverse maculae on the beetle elytra
, sometimes reduced to variable extent. Elytral epipleura completely yellow, sutural anglesutural angle:
the posterior angle or apex of the elytron near the suture
of elytra round, punctation dense, coarse. Abdomen yellow. Tarsi and tibiae black or chestnut, femora yellow. Aedeagusaedeagus:
the main sclerotized part of the male genitalia; "aedeagus" is used here instead of "median lobe of aedeagus"
symmetric, with four internal sac scleritessclerites:
(here) the sclerotized hooks, spines or plates in the internal sac
.

Known distribution

Panama

Host plants

Unknown

Potential problems with identification

Diabrotica tessellata Jacoby is similar to D. gratiosa Baly. They can be separated by the following features: D. tessellata is substantially bigger and more convex than D. gratiosa.

             Diabrotica tessellata Jacoby, lectotype, male, habitus,   dorsal view

Diabrotica tessellata Jacoby, lectotype, male, habitus, dorsal view

             Diabrotica tessellata Jacoby, lectotype, habitus,   lateral view

Diabrotica tessellata Jacoby, lectotype, habitus, lateral view

             Diabrotica tessellata Jacoby, lectotype, internal sac,   ventral view

Diabrotica tessellata Jacoby, lectotype, internal sac, ventral view

             Diabrotica tessellata Jacoby, lectotype, internal sac,   lateral view at right

Diabrotica tessellata Jacoby, lectotype, internal sac, lateral view at right

             Diabrotica tessellata Jacoby, lectotype, internal sac,   lateral view at left

Diabrotica tessellata Jacoby, lectotype, internal sac, lateral view at left

             Diabrotica tessellata Jacoby, lectotype,   labels

Diabrotica tessellata Jacoby, lectotype, labels

             Diabrotica tessellata Jacoby, paralectotype, MCZ,   internal sac, ventral view

Diabrotica tessellata Jacoby, paralectotype, MCZ, internal sac, ventral view

             Diabrotica tessellata Jacoby, paralectotype, MCZ, internal   sac, lateral view at right

Diabrotica tessellata Jacoby, paralectotype, MCZ, internal sac, lateral view at right

             Diabrotica tessellata Jacoby, paralectotype, MCZ,   internal sac, lateral view at left

Diabrotica tessellata Jacoby, paralectotype, MCZ, internal sac, lateral view at left