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Family Braconidae - Braconid Wasps

Braconid Wasp - female Doryctinae? - Doryctes - male Wasp on White Ash - Atanycolus - male Braconid Wasp Moth larva, and parasitoid Wasp braconid wasp - Ephedrus - female Female braconid? - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitic Apocrita))
Superfamily Ichneumonoidea (Braconid and Ichneumonid Wasps)
Family Braconidae (Braconid Wasps)
Synonyms and other taxonomic changes
classification in the guide follows(1)
Numbers
>1700 spp. in >200 genera of 36 subfamilies in our area; close to 20,000 spp. in >1000 genera of ~50 subfamilies worldwide. Ghahari et al. (2003) estimate 120,000 species.
subfamilies not yet in the guide:
Adeliinae ( spp. in 2 genera in our area)
Dirrhopinae ( spp. in 1 genus in our area)
Exothecinae ( spp. in _ genera in our area)
Hormiinae ( spp. in _ genera in our area)
Masoninae (2 spp. in 1 genus in our area. Rare. southeastern USA)
Meteorideinae ( spp. in 1 genus in our area)
Microtypinae ( spp. in 1 genus in our area)
Rhysipolinae ( spp. in _ genera in our area)
Rhyssalinae ( spp. in _ genera in our area)
Size
rarely over 15 mm; smallest 1-3 mm
Identification
Antennae apparently with 16 or more segments
generalized braconid wing vein plan. Note that there is no second recurrent vein, as in Ichneumonidae.
Female ovipositor from very long to short
For more info see also (2)
Diagrams of braconid body and wing morphology in (3)
Food
hosts:
Life Cycle
Many life histories adapted to parasitizing hosts as diverse as aphids, bark beetles, and foliage-feeding caterpillars. Many species are egg-larval parasitoids, laying eggs within host eggs and then not developing until the host is in the larval stage. Unlike ichneumon wasps, many pupate in silken cocoons outside the body of the host and others spin cocoons entirely apart from the host.(4) Also unlike ichneumonid wasps, very few braconids use host pupae to complete their life cycles, except for fly parasitoids in Alysiinae and Opiinae.
Examples of life cycles:
Remarks
molecular evidence supports the monophyly of the cluster of subfamilies with cyclostome "mouth"(1) defined by the dorsoventrally short clypeus and the concave labrum, bordered ventrally by the mandibles:

Some are used for pest control, especially in agriculture.
Works Cited
1.Molecular phylogenetics of Braconidae (Hym.:Ichneumonoidea) based on multiple nuclear genes, and implications for classification
Sharonowsky B.J., Ashley P.G., Dowling P.G., Sharkey M.J. 2011. Systematic Entomology 36: 549-572.
2.Manual of the New World Genera of the Family Braconidae (Hymenoptera)
Wharton, R.A., P.M. Marsh, M.J. Sharkey (Eds). 1997. International Society of Hymenopterists.
3.A Revision of the Tetrasphaeropyx Ashm. Lineage of the Genus Aleiodes Wesmael (Hymenoptera: Braconidae: Rogadinae)
Fortier, Joseph C. 2009. Magnolia Press.
4.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.