Diabrotica duvivieri Baly

Species name

Diabrotica duvivieri Baly 1886a: 445

Type locality

Mexico, Teapa

Type depository

BMNH, lectotype, male, verified

Diagnosis

Body length 5.4-6.5 mm. Body width 2.8-3.7 mm. Head basic color black. Antennae filiformfiliform:
slender antennae with antennomeres of similar shape
, bi- or tricolored, antennomereantennomere:
"segment" of antenna, more or less clearly separated
1 sulphur yellow, antennomeres 2-3 yellow, with 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 or piceous. Pronotumpronotum:
the notum of the prothorax with highly sclerotized pronotal disc
black, subquadrate, bifoveate, with small round foveae, not shagreened. Scutellumscutellum:
small, usually triangular shield between the bases of elytra
black. Elytra black or piceous, maculatemaculate:
(here) marked by maculae or patches of a different shape and size, usually clearly separated from each other
with three sharp-edged, sulphur yellow maculae on each elytronelytron:
<em>(pl. elytra)</em> the fore highly sclerotized wing of beetle
, sometimes divided into two parts in sutural area. Elytral epipleura completely black or tinged with piceous. Sutural anglesutural angle:
the posterior angle or apex of the elytron near the suture
of elytra round, punctation scattered, fine. Abdomen yellow. Tarsi and tibiae black, femora yellow. Aedeagusaedeagus:
the main sclerotized part of the male genitalia; "aedeagus" is used here instead of "median lobe of aedeagus"
symmetric, with six internal sac scleritessclerites:
(here) the sclerotized hooks, spines or plates in the internal sac
.

Known distribution

Mexico

Host plants

Unknown

Potential problems with identification

Diabrotica duvivieri Baly is very similar to D. trifasciata (Fabricius). They can be separated by the following features: abdomen in D. duvivieri is yellow, but black in D. trifasciata.