Hypocharassus
Mik, 1879
Species Guides
2Hypocharassus is a of long-legged flies (Dolichopodidae) comprising five described distributed across the Nearctic, Oriental, and Palearctic regions. The genus is the sole member of the tribe Hypocharassini within Hydrophorinae. Species are associated with marine and coastal , with flying low over wet sand and larvae inhabiting intertidal zones. The Korean species H. cavitarsus represents the first Palearctic record, expanding the genus's known range.
Pronunciation
How to pronounce Hypocharassus: /ˌhaɪ.poʊˈkær.ə.səs/
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Habitat
Wet seashore sand and sea meadow grass; larvae inhabit spaces between sand grains in marine intertidal environments. -shaped cocoons composed of sand and adhesive material occur on beach sand.
Distribution
Eastern and south-eastern United States (H. gladiator, H. pruinosus); Taiwan (H. farinosus); southern China (H. sinensis); Korea (H. cavitarsus). The spans Nearctic, Oriental, and Palearctic regions.
Diet
Larvae have been reported to feed on small Crustacea or marine plankton, though this is based on previous reports rather than direct observation.
Life Cycle
Larvae develop in marine intertidal , living in spaces between sand grains. occurs in -shaped cocoons constructed from sand and adhesive material, deposited on beach sand.
Behavior
fly close to ground, typically within approximately 1 m of the surface. They are not easily captured by standard net-swinging techniques.