Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Family Oreoleptidae

Aquatic larva Southwest Alberta (CAN) May 27 2015 - small mountain creek - Oreoleptis torrenticola Aquatic larva Southwest Alberta (CAN) May 27 2015 - small mountain creek - Oreoleptis torrenticola
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Infraorder Tabanomorpha
Family Oreoleptidae
Identification
Adults:
Eyes bare, male eyes holoptic, upper two thirds of eye with enlarged facets, 3 well developed ocelli on vertex, antennae with 4 flagellomeres forming a stout annulated stylus, first flagellomere lengthened and constricted medially, parafacials visible in profile, clypeus convex, deeply recessed and hidden in profile.
Anepisternum with long setae, anepimeron, meron, metapleuron except metepisternum bare, metepimeron laterotergite setose, katepisternum with scattered dorsal setae, subscutellum strongly developed; posterior thoracic spiracle with a possibly scale-like elevation immediately behind it, post metacoxal bridge absent; proscutellum, a small smelling if present between the mesonotum and the scutellum, absent
Fore femur stout as hind femur, mid femur longer, fore tibia with 0 spurs, mid and hind tibiae with 2 spurs
C continuing around wing, branches of R and M diverging to apical wing margin, vein R1 with setae above, other veins bare, pterostigma overlapping cell R1, cell R1 open and with vein R2+3 meeting C far beyond end of R1, vein R5 ending at wing apex, fork of R4+5 at or distal to cell dm, branches of M joining wing margin far below apex of wing and without a composite ‘diagonal vein’, vein M3 present, cell cup closed at wing margin, short petiolate, and A1 straight, alula well developed, calypters large with fringe of hairs, upper calypter moderately large, lower calypter linear, scarcely developed
First abdominal tergite entire
Print References
(1)
Works Cited
1.Discovered in our backyard: new genus & species of new family from the Rocky Mountains of North America (Diptera, Tabanomorpha)
Zloty, J., B. J. Sinclair, and G. Pritchard. 2005. Systematic Entomology 30:1-19.