New species of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Costa Rica and Panama

Morphology and terminology of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) male genitalia.

The external and internal male genitalia of 327 species of 11 tribes of the subfamily Scarabaeinae, including species of Deltochilini, Scarabaeini, Gymnopleurini, Ateuchini, and Coprini, among others, were examined. Descriptions of the variations in the genital segment, the aedeagus, the internal sac, and its sclerites and raspules are presented. An exhaustive comparison of structures, names, a...

New species of Scolytodes (Coleoptera: Scolytidae) from Costa Rica and Panama

Seven species of Scolytodes (tribe Ctenophorini) are described as new to science: S. concavus and S. circumsetosus (from Ficus branches, La Selva), S. montanus (Monteverde), S. nudifrons (Las Cruces near San Vito), and S. triangulus (fogging sample, La Selva), all from Costa Rica, and S. ungulatus (Cerro Punta) and S. punctifrons (from Astronium graveolens, Canal Zone), both from Panama. New di...

A new species of Callona Waterhouse (Coleoptera: Cerambycidae) from Costa Rica and Panama

As currently defined, the genus Callona Waterhouse, 1840, contains nine species ranging in distribution from southwestern United States to Venezuela. However, the generic distinction between Callona and its closely allied Crioprosopus Audinet-Serville, 1834, is in need of clarification due to descriptions of both genera being based solely on females (monobasic), absence of allotypes from the ty...

A New Species of Pelidnota (coleoptera: Scarabaeidae: Rutelinae) from Panama

Description of six new species of Anomalini from Costa Rica (Coleoptera: Scarabaeidae: Rutelinae).

Four new species of Anomala Samouelle and two new species of Callistethus Blanchard (Coleoptera: Scarabaeidae: Rutelinae: Anomalini) from Costa Rica are described: A. aglaos new species, A. estrella new species, A. inbio new species, A. pincelada new species, C. ruteloides new species, and C. yalizo new species. A distribution map of each species is given and the male genitalia (aedeagus and en...