Trypeta atra Loew, 1862, Berlin Entomol. Zeitsch. 6:210. Holotype o. Type locality: New York.
Size: body 3.0-4.0 mm; wing 2.7-3.0 mm (N=5).
Wing pattern: Wing pattern with 3 dark brown bands. The 2 proximal bands connected anteriorly to form an inverted V-band that extends to anal wing margin; the oblique distal band reaching the apical wing margin behind vein M1+2 and separated from the proximal band.
Body color: Abdomen black, the dorsum covered with white setae intermixed with distinct black hairs.
Oviscape: Female ovipositor long, approximately 3.0 mm. Ovipositor sheath black, dorsum covered with numerous black hairs, about 1.5 mm long.
In Florida, appears restricted to Solidago canadensis L. var. scabra (Muhl. ex Willd.)Torr. & A.Gray.
-Habitat: Roadsides and old fields containing the host.
Larvae are found in leafy galls on aerial portions of the host.
-Phenology: In Florida, galls containing puparia have been found in October. Adults emerged soon after collection.
Benjamin, F. H. 1934. Descriptions of some native trypetid flies with notes on their habits. U.S. Department of Agriculture Technical Bulletin 401: 95 p.
Foote, R. H., F. L. Blanc, and A. L. Norrbom. 1993. Handbook of the fruit flies (Diptera: Tephritidae) of America north of Mexico. Cornell University Press, Ithaca NY. 571 pp.
Ming, Y. 1989. A revision of the genus Eurosta Loew, with a scanning electron microscope study of taxonomic characters (Diptera: Tephritidae). Thesis, Washington State University. xiv + 190 p.
Novak, J. A. & B. A. Foote. 1980. Biology and immature stages of fruit flies: the genus Eurosta (Diptera: Tephritidae). Journal of the Kansas Entomological Society 53: 205-219.
Steyskal, G. C. and R. H. Foote. 1977. Revisionary notes on North American Tephritidae (Diptera), with keys and descriptions of new species. Proceedings of the Entomological Society of Washington 79: 146-155.