Center for Systematic Entomology, Gainesville, Florida


Date of this Version

March 1999


Insecta Mundi, published by the Center for Systematic Entomology, is available online at Copyright © by Bowles.


I recently collected immature stages of the aquatic dipteran genus Maruina from a spring-run located in the Big Bend region of western Texas. The spring-run, Ojito Adentro, is located in the Bofecillos Canyon Drainage, Presidio County, Texas at N29° 29'27.7", W 104° 3' 45.6" (measured with a Garmin GPS40 global positioning system). I collected specimens from the wetted vertical surface of a large boulder in the stream channel. A thin film of water flowed over this boulder creating a madicolous habitat. The habitat was thoroughly described in Sites and Bowles (1995) and Bowles et al. (1999). No adults were collected.

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