Microcylloepus pusillus
(LeConte, 1852)
Microcylloepus pusillus is a small riffle beetle in the Elmidae, found in North America. It inhabits spring-fed aquatic systems and has been documented coexisting with the endangered Heterelmis comalensis at Comal Springs, Texas. The shows six recognized with varied geographic distributions.



Pronunciation
How to pronounce Microcylloepus pusillus: /ˌmaɪkroʊˌsɪˈlijoʊpəs pjuˈsɪləs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Habitat
Spring-runs and aquatic with relatively uniform conditions; specific microhabitat parameters such as current velocity, water depth, and distance from spring orifices are not strongly correlated with locations.
Distribution
North America; specifically documented at Comal Springs, Texas, USA, with four major spring outlets and spring-runs.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- Catalogue of Life
- Grasshopper Collections and Survey
- Plains Lubber Grasshopper
- Habitat and phenology of the endangered riffle beetle Heterelmis comalensis and a coexisting species, Microcylloepus pusillus, (Coleoptera: Elmidae) at Comal Springs, Texas, USA