THE CANADIAN ENTOMOLOGIST. 331 



third yellow, narrowly black at apex ; fourth black, narrowly yellow at 

 base ; fifth and sixth yellow, narrowly black at apex ; apex of abdomen 

 cinnamon-brown. 



Hub. — Las Vegas, New Mexico, July 3, 1900 {Cockerel/). The 

 same variety is figured in Beutenmiillei's Monograph of the Sesiidae, pi. 

 xxxiii, fig. 13. The specimen figured, as I learn from Mr. Beuten- 

 miiller, is from Colorado. This variety was described many years ago, 

 but not published ; my type is in the U. S. Nat. Museum. 



MOSQUITO NOTES.— NO. 6. (Continued.) 



BY C. S. LUDLOW, PH. D. 

 Laboratory of the Office of the Surgeon-General L^ S. Army, Washington, D. C. 



From the Philippines comes a well-marked mosquito, apparently 

 belonging to Theobald's Pseudo-uranotcenia, but having very broad ungues 

 not mentioned in the description of the type. 



Pseudo-ura?iotcenia trta?igulata,, n, sp. — $. Head dark, densely 

 covered with white flat scales, having a bluish tinge and a ^qw brown 

 bristles ; antennie light and apparently lacking pubescence, verticils 

 brown, basal joint testaceous ; palpi brown, proboscis brown, some out- 

 standing scales near the tip on one specimen, labellas light, eyes brown 

 and gold, clypeus dark brown. 



Thorax : prothoracic lobes brown, with white, flat, broadly round- 

 ended scales, a it'N brown bristles ; mesonotum brown, covered for the 

 most part with slender brown curved scales, but with a band of flat, white, 

 broadly " round-ended " scales running cephalad from the wing joints, and 

 meeting at the nape, making a continuous line of bluish-white around the 

 latero-cephalic edge of the mesonotum, many long brown bristles near the 

 scutellum; scutellum brown, markedly lobed, with flat brown scales and 

 very long brown bristles ; pleura brown, with brown flat scales, shaped 

 like those on the mesonotum, and a line of flat white scales running 

 diagonally across ; metanotum brown. 



Abdomen covered with black scales except a triangular apical spot 

 (apex toward the base of the segment) of brilliant white scales, the spot 

 sometimes extending to the base of the segment ; venter black, except a 

 few white scales forming a median line. 



Legs : coxiB and trochanters light, with brown scales. The remainder 

 of the legs covered with brown scales except in the hind legs, which have 



September, 1908 



