Author： O'NEILL WILLLIAM L.
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.66, Iss.5, 1973-09, pp. : 1043-1050
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Abstract
Trichopria popei (Muesebeck) and T. atrichomelinae Muesebeck (Hymenoptera: Diapriidae) are gregarious, internal parasitoids of the pupae of some Sciomyzidae (Diptera). In nature T. popei parasitizes aquatic Sciomyzidae, and T. atrichomelinae attacks a terrestrial species, yet both wasps readily parasitize aquatic and terrestrial hosts in the laboratory. At 24°C T. popei emerged 19 days after oviposition and T. atrichomelinae required 2b days. The average numbers of wasps that emerged from a host parasitized by one female in laboratory rearings were 10.0±0.5 (mean ± standard error) from 35 hosts for T. popei and 5.7±0.4 from 24 puparia for T. atrichomelinae. Superparasitized puparia produced up to 38 T. popei and 29 T. atrichomelinae. The mean fecundity was 27±5 for thirteen T. popei and 14±2 for nine T. atrichomelinae. Other aspects of their biology also are discussed. The egg and the three larval stadia are illustrated and described.
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