South American Coccinellidae (Coleoptera), part XX: systematic revision of South American Calloeneis Grote (Cryptognathini) Author Gordon, Robert D. Northern Plains Entomology PO Box 65 Willow City, ND 58384, USA Author F, Guillermo González Nocedal 6455 La Reina Santiago, Chile Author Hanley, Guy A. Northern Plains Entomology Minot, ND text Insecta Mundi 2020 2020-05-29 2020 766 1 25 journal article 10.5281/zenodo.5353544 1942-1354 5353544 772BDDF2-AD14-4950-B3B3-D6A2C9E403C2 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.