Trogellus trogoides (Albers, 1883)
........Aesalus trogoides Albers, 2013: 228 (original comb.)
........Aesalus smithi Bates, 1889: 382 (synonym)

T. trogoides, female. Photo by M.J. Paulsen.

Distribution of the two Trogellus species that occur in Mexico.

Distribution: Widely distributed in central Mexico.

Taxonomy:

Paulsen, M.J. 2013. A new genus for the Neotropical species of Aesalus Fabricius, with descriptions of eight new species (Coleoptera: Lucanidae: Aesalinae). Insecta Mundi 0325: 1-25. Download.

Remarks:

The species has been collected in pine logs at high elevation. Adults are around 5 to 6.5 mm in length.