Posted by Kahis on 12-08-2008 08:57
#5
This sort of development is rather widespread in Diptera. At least 22 families have members that larviposit or lay fully developed eggs with a larva inside. It is found also among the 'lower Brachycera' like Ocydromia in Hybotidae (Empidoidea).
Meier et al. have written a review of the topic: RUDOLF MEIER, MARION KOTRBA and PAUL FERRAR (1999). Ovoviviparity and viviparity in the Diptera. Biological Reviews, 74, pp 199-258