INSl^CUTOR INSCITI^ MENSTRUUS 135 



apical segments dark brown. Frontal prolongation of the head 

 dull light yellow with a sparse pale whitish bloom. Antennae 

 short, the first scapal segment elongate, dull yellow; second 

 segment very short, brownish yellow ; flagellar segments very 

 short, dark brown, little constricted beyond the basal enlarge- 

 ment which occupies about a third to a quarter of the total 

 length of the segment. Head light gray, the occiput browner, 

 a very indistinct, narrow, median, brown line. 



Pronotum dull brownish yellow. Mesonotal prasscutum 

 light gray with three very broad brown stripes which suffuse 

 most of the dorsum, the lateral margins clear light gray ; pseu- 

 dosutural fovea a semilunar subshiny pit; scutum clear light 

 gray throughout; scutellum and postnotum dull brownish yel- 

 low with a sparse grayish bloom. Pleura pale brownish yel- 

 low with a clear light gray bloom. Halteres brownish yellow, 

 the knobs dark brown. Legs with the coxss dull yellow, 

 sparse-gray pruinose ; trochanters light yellow ; femora brown- 

 ish yellow becoming darker toward the tip ; tibi?e and tarsi dark 

 brown. Wings grayish subhyaline, the costal area and stigma 

 brownish yellow ; a slight yellowish suffusion along vein Cu ; 

 veins dark brown ; a narrow vitreous band before the cord ex- 

 tending from the end of vein Sc, largest and brightest before 

 the stigma, passing into the base of cell M^. 



Abdominal tergites with the first two segments yellowish, 

 the remaining tergites darker brownish; the sclerites with the 

 caudal margin ringed with silvery; sternites brownish yellow, 

 their caudal margins very narrowly silvery. Hypopygium 

 rather enlarged, the ninth tergite quite similar to that of T. 

 georgiana, the lateral angles produced caudad and slightly 

 proximad into truncated lobes whose inner margin is sub- 

 acutely angular, not evenly rounded; the median convexity 

 rounded, shiny ; ninth pleurite rather large, complete ; the inner 

 pleural appendage produced caudad in an elongate, subacute, 

 pale, fleshy lobe, somewhat as in translucida Doane; eighth 

 sternite with a broad median membranaceous shield on the 

 caudal margin, the lateral angles produced proximad into fleshy 

 lobes which bear dense tufts of rather coarse golden-yellow 



