Systematic revision and cladistic analysis of the neotropical genera Mitragenius Solier, Auladera Solier and Patagonogenius gen. n. (Coleoptera : Tenebrionidae)
Ge. Flores, Systematic revision and cladistic analysis of the neotropical genera Mitragenius Solier, Auladera Solier and Patagonogenius gen. n. (Coleoptera : Tenebrionidae), ENT SC, 30(4), 1999, pp. 361-396
The genera Mitragenius, Auladera and Patagonogenius gen. n. (Pimeliinae: Ny
cteliini), distributed in Argentina and central Chile, are revised and a cl
adistic analysis including 20 species is conducted. The cladistic sequence
revealed that former Mitragenius is polyphyletic, requiring removal of seve
n species to a new genus, described herein as Patagonogenius. Mitragenius c
omprises nine species: M. tristis Kulzer, M. costatus Kulzer, M. araneiform
is Curtis, M. coarcticollis Fairmaire, M. nudus Berg, M. hirtulus Kulzer, M
. planicollis sp. n., M. obscuratus Pena and M. dejeanii Solier. Auladera i
ncludes four species: A. crenicosta (Guerin), A. andicola (Lacordaire), A.
rugicollis (Philippi & Philippi) stat, rev. and A. atronitens Kulzer. Patag
onogenius comprises seven species: P. breviangulus (Kulzer) comb. n., P. ge
ntilii (Pena) comb. n., P. quadricollis (Fairmaire) comb. n. (type species)
, P. collaris (Kulzer) comb. n., P. acutangulus (Kulzer) comb. n., P. kulze
ri (Marcuzzi) comb, n. and P. elegans (Pena) comb. n. Mitragenius pusillus
Marcuzzi is synonymized with Patagonogenius collaris (Kulzer) and Auladera
andicola rugicollis (Philippi & Philippi) is elevated to species status. Th
e paper includes a cladogram, a discussion of the phylogeny of the three ge
nera, redescriptions or descriptions of the three genera and of their 20 sp
ecies, four dichotomous keys, habitus photographs, drawings of genitalic fe
atures and distribution maps.