Calloeneis brooke Gordon and Hanley, 2020

Gordon, Robert D., F, Guillermo González & Hanley, Guy A., 2020, South American Coccinellidae (Coleoptera), part XX: systematic revision of South American Calloeneis Grote (Cryptognathini), Insecta Mundi 2020 (766), pp. 1-25 : 16

20. Calloeneis brooke Gordon and Hanley , new species

Description. Male holotype. Length 1.6 mm, width 1.3 mm; dorsal surface shiny except head alutaceous. Color black; head, pronotum yellow ( Fig. 86 ); venter yellow except prosternum yellow, mesosternum reddish brown, metasternum dark brown, epipleuron yellowish brown. Head with punctures not visible; pronotal punctures small separated by a diameter or less; elytral punctures small, faint, nearly invisible, separated by about four times a diameter; prosternal punctures small, dense, separated by less than a diameter; mesosternal punctures apparently absent; metasternal punctures small, widely spaced, absent in lateral 1/3; basal abdominal ventrite with small punctures separated by about a diameter, ventrites 2–4 with fine punctures not clearly visible; ventrite 5 finely, densely punctured. Head with frons slightly wider than eye, clypeus widened, apex truncate ( Fig. 87 ); eye canthus short, less than half width of eye. Prosternum with lateral carina on each side curved, extended from apex of intercoxal process to lateral margin of prosternum. Epipleuron not descending externally. Postcoxal line on basal abdominal ventrite curved, extended to rear margin of ventrite. Genitalia with penis guide slightly longer than paramere, wide, curved from base to widely rounded apex; paramere slender, slightly curved, apically rounded ( Fig. 88, 89 ); penis robust, apical 1/5 abruptly narrowed, apex acute; basal capsule slender, inner arm slightly curved with rounded apex, outer arm short, apex obliquely truncate ( Fig. 90 ).

Female. Unknown.

Variation. Unknown.

Type material. Holotype male: Venezuela, nr. Petare , 20.VI.1926, H. E. Box collector ( USNM). Barbosa, G.V., Plot B Malaise 5, October 1995, BMNH(E) 2003-84 ( BMNH).

Remarks. This species has all black elytra but is distinguished from other such species by an entirely yellow pronotum. The male genitalia are also distinctive.

Figures

Figures 81–94. Calloeneis spp. 81–85) Calloeneis alexandra. 81) Habitus. 82) Frons. 83) Penis guide ventral. 84) Penis guide lateral. 85) Penis. 86–90) Calloeneis brooke. 86) Habitus. 87) Frons. 88) Penis guide ventral. 89) Penis guide lateral. 90) Penis. 91–94) Calloeneis bethany. 91) Habitus. 92) Frons. 93) Penis guide ventral. 94) Penis guide lateral.