Microvelia californiensis
McKinstry, 1937
Microvelia californiensis is a of small water strider in the Veliidae, described by McKinstry in 1937. The species is known from California and adjacent regions of western North America. Like other members of the , it inhabits the surface film of freshwater . Very few observations of this species have been documented in public databases.
Pronunciation
How to pronounce Microvelia californiensis: //ˌmaɪ.kroʊˈviː.li.ə ˌkæl.ɪˌfɔːrˈniː.ɛn.sɪs//
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Identification
Distinguished from other Microvelia by subtle morphological features of the male genitalia and body proportions, requiring examination of or detailed taxonomic keys. Separation from such as M. americana and M. borealis requires knowledge of the .
Images
Habitat
Freshwater surface including ponds, slow streams, and other quiet water bodies where the water surface film is intact.
Distribution
Known from California and potentially adjacent areas of western North America; distribution records indicate presence in North America and Middle America though specific localities are poorly documented.
Behavior
Skates on the water surface film using middle and hind legs modified for propulsion on water, characteristic of the Gerromorpha.
Ecological Role
or scavenger on small trapped in the surface film; occupies the neustonic in freshwater .
Human Relevance
No documented economic or medical importance; of interest primarily to aquatic entomologists studying freshwater surface .
Similar Taxa
- Microvelia americanaOverlaps in distribution and ; requires examination of male genitalia and body proportions for reliable separation.
- Microvelia borealisSimilar size and preference; distinguished by subtle differences in body shape and genitalic structure.
- Microvelia pulchellaAnother small western North American ; identification requires detailed comparison of morphological characters.
More Details
Taxonomic Note
The Microvelia is taxonomically challenging with many cryptic ; M. californiensis was described in 1937 and has received limited subsequent study. The species is rarely reported in collections or observations, with only 2 observations recorded in iNaturalist as of the knowledge cutoff.
Collection Context
The provided source material from Bembicid Holdings pertains to sphecoid (Hymenoptera) and contains no information about this Hemipteran .