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Subfamily Cremastinae

Wasp Ichneumon - female Ichneumonid Pretty But Tiny Wasp Cremastinae ? Pristomerus - female Small Milkweed Wasp - female Cremastinae species - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Ichneumonoidea (Braconid and Ichneumonid Wasps)
Family Ichneumonidae (Ichneumonid Wasps)
Subfamily Cremastinae
Numbers
30 genera worldwide; 325 spp. in 12 genera* north of Mexico (Temelucha and Cremastus contain the bulk of our spp. with 138 and 95 spp., respectively)(1)(2)
* Genera not yet in the guide: Dimophora (6 spp.), Dolichopselephus (1 sp.), Neleothymus (5 sp.), and Pseuderipternus (2 spp.)(1)(3)
Identification
Remaining vein of the areolet basad or opposite to 2m-cu by less than 0.4x length of remaining vein
Stigma of fore wing often short and broadly triangular

Eyes are often green tinted
Clypeus separated from supraclypeal area by groove
Ventral posterior corner of propleuron strongly produced as more or less angulate lobe touching or overlapping pronotum
Propodeum with regular carinal pattern, or at least with transverse carinae, on smooth/granulate/rugosopunctate surface
Range
Worldwide(4)
Food
Endoparasitoids (koinobionts) of lepidopteran and sometimes coleopteran larvae(4)