Abstract
The collections of Snow Entomological Museum, Natural History Museum of the University of Kansas
(SEM), Lawrence (Kansas, U.S.A.) and of the Canadian National Collections of Insects, Arachnids and
Nematodes (CNC), Ottawa (Ontario, Canada) were examined for Neotropical species of the genera
Clavilispinus, Aneucamptus, Thoracophorus, and Holotrochus. Eleven new species have been detected:
Clavilispinus mariannae, Aneucamptus geroi, Thoracophotus susannae, T. rugosus, T. rufotestaceus, T.
columbinus, T. tricolor, T. inpai, T. araucoensis, Holotrochus siolii and Holotrochus danoffburgi.
