A new species and new records for two other exotic species of Dirrhagofarsus Fleutiaux, 1935 (Coleoptera: Eucnemidae: Melasinae: Dirhagini) in the United States
Author
Otto, Robert L.
W 4806 Chrissie Circle, Shawano, WI 54166, USA
text
Insecta Mundi
2022
2022-04-29
2022
932
1
15
journal article
10.5281/zenodo.6533612
1942-1354
6533612
24DCE05F-14CE-465B-AB11-A2F34012FAB6
Key to the species of
Dirrhagofarsus
in the Nearctic region
1. Elytra with simple apices at lateral view........................................................
2
— Elytra with convex, protruding apices at lateral view............................
D. lewisi
(Fleutiaux)
2. Frons with pair of strongly-developed longitudinal carinae near compound eyes; microcombs present on longitudinal carinae (
Fig. 11
).............................................................
3
— Frons with pair of poorly-developed longitudinal carinae near compound eyes; microcombs absent on longitudinal carinae (
Fig. 12
)...........................................
D. unicolor
(Hisamatsu)
3. Longitudinal carinae positioned a distance of six eye facets from the compound eyes (
Fig. 13
)........
4
— Longitudinal carinae positioned a distance of three eye facets from the compound eyes (
Fig. 14
).............................................................................
D. brevis
Otto
,
sp. nov.
4. Elytral striae largely absent but present only at humeri and apices; frons without medio-longitudinal carina.......................................................
D. ernae
Otto, Muona and McClarin
— Elytral striae indistinctly indicated throughout; frons with variably weak medio-longitudinal carina........................................................................
D. modestus
(Fleutiaux)