THE CANADIAN ENTOMOLOGIST. 329 



with the male is coloured almost exactly like the female. A single female 

 collected in the mountains near Claremont, Calif, by Prof. C. F. Baker, 

 seems to be the female of this species. Provancher does not say that the 

 coxae are pale, but implies that they are ; if this is the case, the female 

 from Calfornia is not Provancher's species. The above-mentioned female 

 may be briefly characterized as follows : 



Clypeus truncate ; the labrum not much exceeding the clypeus. The 

 third antennal joint is as long as joints four and five. Lateral ocellar 

 furrows present, but not strong, deepest a little behind the lateral ocelli, 

 where they are shining. Orbital carina* not very -strong, in places 

 wanting. All the lobes of the mesonotum punctured alike. The teeth of 

 the claws about of equal length. Dorsal abdominal segments without 

 large punctures, the apical segments finely punctured ; the apex of the 

 sheath obliquely truncate. Black ; tegulge, margin of the pronotum, spot 

 on the scutellum, posterior margin of the basal plates, and the apical 

 abdominal segment yellowish-white. Legs black; tips of the posterior 

 coxae beneath, trochanters, apices of the femora, tibiae, except the apex 

 (the anterior pair have a narrow black line above) and most of the tarsi 

 yellowish white. Wings hyaline, slightly yellowish, iridescent ; venation 

 black, stigma brownish. 



The species here described may be taken as the type of Provancheri, 

 and if different from Provancher's species, that species should be given a 

 new name. 



Macrophya nigricornis, n. sp. — Female : Length, 5.5 mm. Anterior 

 margin of the clypeus truncate; lubrum but slightly projecting, its apical 

 margin slightly incurved. Supraclypeal fovea transverse and shining ; 

 middle fovea wanting, lateral ocellar furrows rather distinct, a distinct 

 fovea behind each lateral ocellus ; orbital carina evident. The third 

 antennal joint not quite as long as joints 4 and 5. Mesonotum with 

 rather scattered punctures; the punctures of the scutellum larger and 

 somewhat more scattered ; scutellar appendage shining, but finely granular. 

 The inner claw-tooth shorter than the outer. Dorsal abdominal segments 

 finely sculptured ; the apical margin of the sheath obtuse, rounded. Black; 

 some of the joints of the palpi, posterior margin of the pronotum, tegulae, 

 a spot on the scutellum, posterior margin of the basal plates, and the 

 apical abdominal segment whitish. Legs whitish ; bases of the coxae 



*The orbital carina is the carina running along- the posterior margin of the 

 head, from the clypeus to the occiput. 



