306 THE CANADIAN ENTOMOLOGIST. 



were also small, white coccons among the cclcnics of red spider 

 collected at Pio Piedras, P.R., August 6, 1913, by Thomas H. 

 Jones. This species appears to be allied to M. reducta Felt, from 

 which it is most easily separated by its larger size and the some- 

 what longer distal stem of the 5th antennal segment. Described 

 from specimens in alcohol. . 



Larva. — Length, 1.3 mm.; moderately stout, pale yellowish. 

 Head apparently with a length nearly twice its diameter, broadly 

 rounded anteriorly. Antenna? long, with a length fully 10 times 

 the diameter, slender, curving, posterior extremity subtruncate 

 and irregularly papillate. 



Male. — Length, 1 mm. Antennae, 3<4 longer than the body, 

 sparsely haired, light brown; 14 segments, the 5th having the stems 

 with a length l}/^ and 2}^ times their diameters, rcspectixtly ; 

 circumfili well developed. Palpi: the first segmicnt short, sub- 

 quadrate, the second with a length twice its diameter, the third a 

 little longer, mere slender, the fourth 3^ longer than the third. 

 Mesonotum dark reddish brown, the narrow submedian lines yel- 

 lowish. Scutellum and postscutellum pale yellowish. Abdomen 

 mostly pale yellowish, the dorsal sclerites slightly fuscous. Hal- 

 teres, coxae and femora mostly pale yellowish, tibiae and tarsi light 

 straw. Claws slender, strongly curved, the pulvilli as long as the 

 claws. Genitalia: basal clasp segment moderately stout, terminal 

 clasp segment swollen basally, slightly curved ; dorsal plate moder- 

 ately long, deeply and roundly emarginate, the lobes narrowh' 

 rounded. 



Female. — Length, 1.25 mm. Antennae extending to the 

 second abdominal segment, sparsely haired, light brown; 14 seg- 

 ments, the fifth with a stem 3^ the length of the cylindric basal en- 

 largement, which latter has a length 23^ times its diameter; ter- 

 minal segment slightly produced, with a length three times its 

 diameter, broadly rounded apically. Face yellowish brown. 

 Ovipositor short, yellowish, the lobes narrowly oval. Type, Cecid 

 a2413. 



Clinodiplosis examinis, n. sp. 



The midges described below were present by hundreds, if not 

 thousands, upon a screen door, or hanging from cobwebs attached 

 thereto at Nassau, N.Y., June 19, 1913. The insects were so 



