Titanochaeta
Steganinae
Drosophila
Scaptomyza ( Ashburner, 1981 )
Scaptomyza
Tantalia
Bunostoma
Drosophila
Scaptomyza
D. vinnula
Scaptomyza
Alloscaptomyza
Celidosoma
Engiscaptomyza
Grimshawomyia
Rosenwaldia
A review of the endemic Hawaiian Drosophilidae and their host plants
Magnacca, Karl N.
Foote, David
O’Grady, Patrick M.
Zootaxa
2008
1728
1
58
8VTXW
7298
[222,365,1751,1777]
Insecta
Drosophilidae
Scaptomyza
Animalia
Diptera
27
28
Arthropoda
genus
Titanochaetahas taken an unusual path as a predator of spider egg sacs. The pointed, sclerotized ovipositor they use to pierce the sac is characteristic of the group. Although a fair number of them have been reared, including 6 of the 11 species, little is known of their habits and they are uncommon in collections. Predation is also found in other drosophilid groups, especially the Steganinae, but rarely in Drosophilaor Scaptomyza( Ashburner, 1981), although the Pisona–breeding Elmomyzaare also predators. The only other Scaptomyzasubgenus with a moderate number of rearing records is Tantalia, which breed largely on leaves but do not appear to be host-specific, even within a species. Bunostomahas too few rearing records to draw even preliminary conclusions, and only one of the 8 unplaced species originally described as Drosophilabut probably belonging to Scaptomyza( D. vinnula) has been reared. The other Hawaiian Scaptomyzasubgenera – Alloscaptomyza, Celidosoma, Engiscaptomyza, Grimshawomyia, and Rosenwaldia– lack any data at all.