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Family Mymarommatidae - False Fairy Wasps

Mymarommatidae - female Unknown parasitic  wasp Unknown parasitic  wasp Unknown parasitic  wasp Unknown parasitic  wasp Unknown parasitic  wasp False Fairyfly? - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitoid Apocrita))
Superfamily Mymarommatoidea
Family Mymarommatidae (False Fairy Wasps)
Numbers
6 spp. in 2 genera in our area.
Only 10 living species in 1 genus have been described, others are known as fossils.
Size
0.4 to 0.7 mm.
Identification
See comment here: "The distinguishing characters of the family are a 2-segmented petiole (other chalcidoids have a 1-segmented petiole or are indistinctly petiolate), forewing with a reticulate surface (smooth in other chalcidoids) and a marginal fringe of long setae, face triangular in frontal view with mandibles not meeting (round to square in other chalcidoids, occasionally approaching an inverted triangle in a few species and with mandibles meeting except for a few eulophid species), and the metanotum and propodeum without a visible suture between the sections (chalcidoids with a suture). Palaeomymar is the only current genus."

A key to the families and genera can be found in Gibson 2007.
A key to the females of the genus Mymaromella from North America can be found in Huber et al. 2008.
Range
Scattered records across the world. (GBIF Map)
Season
May to September
Food
They are thought to be parasitoids of insect's eggs.
Remarks
These insects are very rarely collected, in part because of their small size.

"We suggest that the best chance of obtaining a definite rearing of any species of Mymarommatidae would be from Psocoptera eggs collected from bracket fungi, from litter and mosses collected in the subantarctic islands of New Zealand or from trunks of various ash species in north eastern North America." (Huber et al. 2008)
See Also
Print References
Gibson, G.A.P., Read, J., and Huber, J.T. 2007. Diversity, classification and higher relationships of Mymarommatoidea (Hymenoptera). Journal of Hymenoptera Research 16:1 51–46. (Full Text Here)

Huber, J. T., AP, G. G., Bauer, L. S., Liu, H., & Gates, M. (2008). The genus Mymaromella (Hymenoptera: Mymarommatidae) in North America, with a key to described extant species. (Full Text Here)
Internet References
J.T. Huber's Publications - Many are related to Mymarommatidae.