Anisotomini,

Peck, Stewart B., Gnaspini, Pedro & Newton, Alfred F., 2020, Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America), Zootaxa 4741 (1), pp. 1-114: 66

publication ID

https://doi.org/10.11646/zootaxa.4741.1.1

publication LSID

lsid:zoobank.org:pub:2F901615-D948-4C68-81E9-75282F594BAF

DOI

http://doi.org/10.5281/zenodo.3797327

persistent identifier

http://treatment.plazi.org/id/4E4F5B3F-FFBA-8719-FF75-CFAEFA4BF034

treatment provided by

Plazi

scientific name

Anisotomini
status

 

Key to Genera of Anisotomini  of Latin America (modified from Miller and Wheeler, 2005a)

1a Antenna 11- or 10-segmented, with “interrupted” 5-segmented club, second club segment (segment 8 or 7, respectively) distinctly narrower than first club segment; elytral-abdominal stridulatory (?) system usually present, consisting of striate area on inflexed part of ventrite VII and short ridges on underside of elytron............................................. 2

1b Antenna 11-segmented with 3-segmented club, segment 8 not or very slightly narrower than 7; elytral-abdominal stridulatory (?) system, if present, consisting of striate area at side of tergum 6 and very long parallel ridges on underside of elytron.... 3

2a Antenna 11-segmented; male tarsi 5-5-4 segmented, female tarsi 5-4-4 or 4-4-4 segmented.................... Anisotoma 

2b Antenna 10-segmented; male and female tarsi all 4-segmented............................................ Decuria 

3a Head extremely broad, scarcely narrowed behind eyes, with supraocular carina extending posteriorly from each eye; epistomal suture usually obsolete medially; elytral-abdominal stridulatory (?) system absent.................................. 4

3b Head broad but distinctly narrowed behind eyes, without supraocular carina; epistomal suture complete; elytral-abdominal stridulatory (?) system present, as in couplet 1b above.................................................... Gelae 

4a Tarsal formula 5-5- 5 in males, 5-4- 4 in females; aedeagal parameres present.............................. Agathidium 

4b Tarsal formula 4-4- 4 in both sexes; aedeagal parameres absent................................... Pseudoagathidium