Dilophus tingi
(Hardy, 1942)
March fly
Dilophus tingi is a of March fly in the Bibionidae. Like other members of the Dilophus, it is likely smaller and less robust than the related genus Bibio, and frequently exhibits reddish coloration. March flies are spring-emerging dipterans known for their swarming and -laying habits.
Pronunciation
How to pronounce Dilophus tingi: //ˌdaɪˈloʊfəs ˈtɪŋɡi//
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Identification
Members of Dilophus can be distinguished from the similar Bibio by the presence of a ring of shorter teeth on the front legs rather than long, downcurved spurs. Dilophus are generally smaller and less robust than Bibio, and often display reddish coloration rather than black. is pronounced: males have large, spherical that meet at the top of the (), while females have proportionally tiny heads.
Seasonality
March flies typically emerge in spring, with activity peaking in April and May in North America. The refers to their seasonal appearance rather than a literal March .
Life Cycle
Females use their modified front legs to dig into soil several inches deep, where they deposit in masses of 200-300. Larval stages feed on decaying organic matter in rich soils, manure, compost, and roots of grasses and herbs. Mature larvae likely overwinter, pupating in early spring.
Behavior
are known for forming large mating swarms, with males gathering in that blanket ground and low vegetation. Females are attracted to these swarms for mate selection.
Ecological Role
Larvae contribute to soil nutrient cycling through consumption of decaying organic matter. may serve as a food source for during spring events.
Similar Taxa
- BibioSimilar spring-emerging march flies, but distinguished by larger size, more robust build, black coloration, and presence of long downcurved spurs (rather than rings of short teeth) on the front tibia.
- PleciaRelated bibionid containing 'lovebugs,' distinguished by habit of flying in copula for extended periods and principal distribution along Atlantic and Gulf coasts.