I92 NEW YORK STATE MUSEUM 



Pupa. Length 5 mm. The head and thorax are reddish or dark 

 brown, the abdomen a light salmon. 



Exuviae. Length 3.5 mm. pale whitish ; antennal cases short, 

 stout ; cephalic horns very slender : wing cases extending to the sec- 

 ond abdominal segment : leg cases to the third and fourth abdominal 

 segments. Abdomen dorsally. thickly ornamented with minute, 

 chitinous points ; posterior extremity reduced, narrowly rounded. 



Male. Length 1.3 mm. Antennae extending to the fourth ab- 

 dominal segment, sparsely long haired, light brown: 16 segments, 

 the fifth pyriform, with a stem one-third the length of the enlarge- 

 ment ; terminal segment reduced. Palpi yellowish, the first segment 

 subglobular, second and third subequal, subquadrate, the fourth 

 one-half longer than the preceding. Mesonotum black, sparsely 

 clothed with short, fine, silvery hairs, laterally with a few long, 

 black hairs, submedian lines indistinct. Scutellum and postscutel- 

 lum dark brown. Abdomen dark red. the dorsal sclerites slightly 

 ferruginous, sparsely clothed with short setae. Genitalia very dark 

 brown. Wings subhyaline, costa dark brown, subcosta uniting with 

 the margin at the basal third; halteres fuscous basally, yellowish 

 apically. Legs a nearly uniform fuscous yellowish, claws heavy, 

 slightly curved, simple. Genitalia ; basal clasp segment broad, 

 short : terminal clasp segment short, swollen at the middle. 

 Dorsal plate large, triangular, tapering ; ventral plate smaller, angu- 

 late, deeply emarginate. the lobes widely separated, acute and with 

 conspicuous lateral prolongations at the basal half. 



Female. Length 2.5 mm. Antennae extending to the base of 

 the abdomen, densely yellow-haired, yellowish brown; 21 segments, 

 the fifth subsessile. nearly disc-shaped. Palpi yellowish, the first seg- 





&?. 



55 Palpus of M o n a r d i a lignivora, en- 

 larged. (Original) 



ment short, subquadrate, second and third subequal,- elongate oval, 

 the fourth a little longer. Color practically as in the male. Yentrally 

 near the middle of the eighth abdominal segment, there is a pair of 

 submedian irregular, trumpet-shaped organs. Ovipositor triarticu- 

 late, terminal lobe orbicular. Type Cecid. ai6i-j.. 



Monardia articulosa Felt 

 1908 Felt, E. P. X. Y. State Mus. Bui. 124, p. 315 (Campylomyza) 



This unique species from the L nited States National Museum, 

 was taken in the White mountains bv Morrison. 



