Diabrotica regularis Jacoby 1887: 509
Panama, Bugaba
BMNH, lectotype, female, verified
Body length 4.1-4.9 mm. Body width 2.1-2.7 mm. Head   basic color black. Antennae filiformfiliform:
slender antennae with antennomeres of similar shape
, bi- or tricolored, antennomeres 1-3   yellow, antennomeres 4-8 gradually infuscated, antennomeres 9-10 yellow ocher,   antennomereantennomere:
"segment" of antenna, more or less clearly separated
 11 dark apically. Maxillary palpi yellow, 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, weakly bifoveate, with wide shallow   foveae, shagreened with minute wrinkles. Scutellumscutellum:
small, usually triangular shield between the bases of elytra
 black or amber brown. Elytra   yellow or rufous, with two black bandsbands:
(here) transverse maculae on the beetle elytra
, one on the base, another behind the   middle. Elytral epipleura completely yellow, sutural anglesutural angle:
the posterior angle or apex of the elytron near the suture
 of elytra obtuse,   punctation scattered, coarse. Abdomen yellow. Legs yellow.
Panama
Unknown
Diabrotica regularis Jacoby is very similar to D. godmani Jacoby and D. g1n. D. regularis may be a possible synonym of one of these species. They can be separated only by the size difference: D. regularis is much smaller than both similar species.