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Subfamily Tryphoninae

Ichneumon? - Netelia - female Exenterus sp.? - Exenterus Ichneumon - Cteniscus - female Ichneumon - Cosmoconus petiolatus - male Small Ichneumon - Cteniscus Netelia - female wasp Ichneumon - Netelia - 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 (Braconids and Ichneumons)
Family Ichneumonidae (Ichneumon Wasps)
Subfamily Tryphoninae
Explanation of Names
Author: Shuckard, 1840.
Numbers
51 genera in 8 tribes worldwide; ca. 350 spp. in 32 genera of 6 tribes north of Mexico(1)(2)
Identification
With a hair-margined clypeus and the first tergite bears two longitudinal parallel ridges. Females frequently have stalked eggs projecting from their ovipositor.
Range
Worldwide(1)
Food
Ectoparasitoids of sawflies or Lepidoptera larvae(2)
Life Cycle
some Tryphoninae carry their eggs on the ovipositor, attached by short stalks which they then use to attach the eggs to the cuticle of the host.

The parasite larvae usually complete their development in the host’s cocoon(3)
1. larvae attached to host. 2. larva, final instar 3. larva building a cocoon. 4. ready to emerge pupa 5. adult
Remarks
Two tribes(1) still not in the Guide are as of 7/17/2010:
Eclytini (Holarctic; a single genus represented by a single species in NA)
Idiogrammatini (Holarctic; a single genus represented by 4 spp. in NA)