REPORT OF THE STATE ENTOMOLOGIST I908 1 7 



nizecl by the long, knobbed, hairy feelers or antennae one half 

 longer than the body. The female is about 1/16 of an inch long 

 and may be distinguished by the shorter, less densely haired feelers 

 or antennae. This sex is provided with a long, slender ovipositor 

 a;- long as the body, well adapted to placing the tiny eggs within 

 the developing floral tissues. 



Technical description. Larz-a. Length 1.5 to 2 mm. The 

 smaller larvae are whitish, the larger ones pale yellowish. Head 

 rather short, broad, with a length about equal to the diameter. 

 -Antennae short, stout, uniarticulate. Breastbone bidentate, the 

 teeth rather broadlv triansrular anrl moderatelv chitinized, the basal 



Fig. 4 Maggot of grape b1os;om midge, view Fig. 5 Maggot of grape blossom midge 

 of head, enlarged. (OriginE.l) posterior extremity, enlarged. (.Oriji- 



inal) 



portion semitransparcnt and tapering posteriorly. The segmenta- 

 tion of the body rather distinct, the skin nearly smooth. The 

 penultimate segment with a short, stout, cuticular process at the 

 posterior lateral angles. Terminal segment broadly rounded. suIj- 

 truncate distally, posteriorly with a pair of submedian acute der- 

 mal papillae, and just within, a pair of stouter, semitransparcnt. 

 strongly curved pseudopods. Anus ventral, broadly oval. 



Male. Length i mm. Antennae one half longer than the body, 

 thickly haired, fuscous yellowish ; 14 segments, the fifth with the 

 basal portion of the stem with a length one half greater than its 

 diameter, the distal part with a length three times its diameter, the 

 enlargements subglobose, the basal one with a sj)arse subbaj^al 

 whorl of setae, the circumfilum with the loops sparse, long and 

 extending to or a little beyond the middle of the subglobular dis- 

 tal enlargement, which latter has a scattering subbasal whorl of 

 curved setae and a similar circumfilum, the loops extending to the 

 base of the following segment. Palpi; first segment short, sub- 

 quadrate, the second stout, with a length over three times its diam- 

 eter, the third a little longer, more slender, the fourth one fourth 

 longer than the third. Mesonotum fuscous yellowish. Scutellum 

 and postscutellum yellowish. Abflomen fuscous yellowish ; genitalia 

 darker. Wings hyaline, costa light l)rown, subcosta uniting there- 

 with before the basal third, the thirtl vein at the apex; fringe 

 abundant. Halteres whitish transparent. Legs mostly pale yel- 



