Holcocephala fusca
Bromley, 1951
Dusky Goggle Eye, Gnat Ogre
Holcocephala fusca is a small in the , commonly known as the Dusky Goggle or Ogre. The is recognized by its distinctive enlarged that occupy most of the . It preys on small flying , particularly gnats and other tiny dipterans. The species was described by Bromley in 1951.
Identification
Distinguished from other Holcocephala by its dark, dusky coloration (fusca = dark/dusky). The is characterized by exceptionally large that dominate the and meet dorsally in both sexes. Small body size relative to other . Specific identification to species level requires examination of coloration and possibly male ; field identification is challenging without reference specimens.
Images
Diet
Preys on small flying , particularly and other minute .
Behavior
Aerial that hunts small flying . Perches on vegetation to scan for , then launches rapid pursuit .
Ecological Role
of small dipterans and other minute flying .
Similar Taxa
- Holcocephala abdominalisSimilar small size and enlarged ; distinguished by abdominal coloration patterns and geographic distribution.
- Other Holcocephala speciesAll share the diagnostic enlarged ; -level identification requires careful examination of coloration and structural characters.