Ellipsoptera macra fluviatilis
(Vaurie, 1951)
Panhandle Tiger Beetle
Ellipsoptera macra fluviatilis is a of the Sandy Stream Tiger Beetle, recognized by its occurrence in sandy riverine . The is closely related to E. cuprascens (Coppery Tiger ), with which it shares habitat preferences along large rivers. are notably attracted to ultraviolet blacklights at night, often more readily than they are found during daytime collecting. The subspecies was described by Vaurie in 1951.
Pronunciation
How to pronounce Ellipsoptera macra fluviatilis: /ɛˌlɪpsəˈtɛrə ˈmækrə ˌfluːviəˈtaɪlɪs/
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Identification
Very similar to E. cuprascens. Females can be distinguished by the acute (pointed) sutural apex of the , whereas E. cuprascens females have rounded elytral apices. The elytra are less shiny than those of E. cuprascens, with smaller and shallower punctures. Some references note a more recurved lower portion of the humeral lunule and generally more green than bronze coloration, though these characters may be variable.
Habitat
Sandy along large rivers, near the water's edge.
Distribution
United States; specifically recorded from northwestern Missouri along the Missouri River and potentially other localities along the Missouri and Mississippi Rivers.
Seasonality
Active during summer; have been collected from late June to mid-July.
Behavior
are attracted to ultraviolet (UV) blacklights at night, often appearing in greater numbers at lights than during daytime searches. When disturbed, adults are quick to fly.
Similar Taxa
- Ellipsoptera cuprascensClosely related sharing riverine sandy ; distinguished by shinier, more coarsely punctate , more coppery coloration, and rounded (not acute) female elytral apices.