Abstract
A new species of Tyrannoseira Bellini & Zeppelini, 2011 (Entomobryidae) is described and illustrated. Specimens of T. diabolica sp. nov. were collected in Barreira do Inferno, state of Rio Grande do Norte, Brazil. This is the fourth described species in the genus. All males of Tyrannoseira have the femora of the first pair of legs enlarged and slender tibiotarsi, both bearing several spine-like setae. Probably the closest species to T. diabolica sp. nov. is T. sex Bellini & Zeppelini, 2011. They share many similarities in their color pattern and dorsal chaetotaxy.
Highlights
Seirini is one of the most diverse tribes in the Entomobryidae
Specimens of T. diabolica sp. nov. were collected in Barreira do Inferno, state of Rio Grande do Norte, Brazil
Almost 270 species belong to this group, most of them in Seira Lubbock, 1869 (BELLINGER et al 1996-2011)
Summary
The specimens were collected at Barreira do Inferno, municipality of Parnamirim, state of Rio Grande do Norte, Brazil, with pitfall traps, at the end of the dry season (February 2011). Nov.: (1) habitus; (2) apical bulb of the 4th antennal segment; (3) left eyepatch; (4) setae of the labial triangle (right side); (5) male anterior femur; (6) male anterior tibiotarsus; (7) trochanteral organ; (8) first foot complex; (9) second foot complex; (10) third foot complex; (11) distal dens and mucro; (12) dorsal chaetotaxy of second and third abdominal segments. Is Tyrannoseira sex Bellini & Zeppelini, 2011 Both species share many similarities in the dorsal chaetotaxy, such as the number and disposition of macrochaetae in central head (3, 4 and 5 cephalic regions), regions 1A and 1B in mesothorax, regions A and B in metathorax, and abdominal segment 1.
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