Stegoelmis

Fernandes, André S., Passos, Maria Inês S. & Hamada, Neusa, 2011, Stegoelmis Hinton, 1939 (Coleoptera: Elmidae: Elminae) in Brazil: two new species and a key to the Brazilian species, Zootaxa 2921, pp. 56-64: 64

publication ID

http://doi.org/ 10.5281/zenodo.201739

persistent identifier

http://treatment.plazi.org/id/B22387F7-FFD2-4643-FF2C-FC77FA73F57E

treatment provided by

Plazi

scientific name

Stegoelmis
status

 

Key to males of the Brazilian species of Stegoelmis   ( Elmidae   : Elminae   ).

1 Elytral apices rounded and not dehiscent ( Fig. 2 View FIGURES 2 – 4 )............................................................. 2

- Elytral apices not rounded and dehiscent ( Fig. 1 View FIGURE 1 )............................................................. 3

2 Hypomeron with punctures about as dense as those of pronotal disc, ventrites I and II with entire surface densely and coarsely punctuate................................................................................... S. verrucata  

- Hypomeron with punctures denser and coarser than those of pronotal disc, only ventrite I with surface of apical 2 / 3 densely and coarsely punctuate ( Fig. 3 View FIGURES 2 – 4 )...................................................... S. figueiredoensis   sp. nov.

3 Metatibiae with long, distinct, apicomedial cleaning fringe of dense, golden, hairlike setae on apical 1 / 4 ( Fig. 1 View FIGURE 1 )................................................................................................ S. shepardi   sp. nov.

- Metatibiae with very short, indistinct, apicomedial cleaning fringe of sparse, golden, hairlike setae ( Fig. 2 View FIGURES 2 – 4 )............. 4

4 Distinct, deep and long longitudinal pronotal impression................................................... S. ica  

- Indistinct, shallow and short longitudinal pronotal impression......................................... S. stictoides  

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Elmidae