THE CANADIAN ENTOMOLOGIST 161 



abundant long, pale hairs. Hypopygium with the pleural chitinized 

 hooks four in number, very long and slender, not toothed, slightly 

 curved toward the acute tips. 



Habitat. — California. 



Holotype.— d", Fieldbrook, California, May 29, 1903, (H. S. 

 Barber) . 

 Molophilus spiculatus, new species. 



Antennae of the male not elongated; general coloration browa, 

 the pseudosutural fovea; dark brown, conspicuous; male hypopy- 

 gium with the dorsal pleural appendage short and broad, the 

 dorsal face spiculate; ventral appendage long and slender with 

 a few scattered teeth. 



Male. — Length about 4 mm.; wing 5.3 mm. 



Rostrum and palpi dark brown. Antennae short, dark brown; 

 second segment of the scape enlarged, cyathiform, dull yellow^ish; 

 flagellar segments oval, slightly elongated. Eyes widel}^ separated. 

 Head gray, the anterior parts of the vertex and the occiput 

 brighter coloured. 



Pronotum yellow% medially with two dark brown spots. 

 Mesonotal prsescutum deep liver-brown, very sparsely gray prui- 

 nose; pseudosutural fovccC long and narrow, dark brown, con- 

 spicuous; space on the humeral angles before the foveae yellowish 

 continued back along the lateral margin of the sclerite to the wing- 

 root; tuberculate pits conspicuous, separated from one another 

 l)y a distance a little less than twice the diameter of one; re- 

 mainder of the mesonotum bright brown. Pleura light brown. 

 Halteres pale throughout. Legs with the coxae and tro- 

 chanters dull brownish yellow; femora dark brown apically, 

 the basal half much paler; tibiie dull yellow, broadly tipped with 

 browm; tarsi brown, the basal portion of the metatarsi paler; last 

 two tarsal segments almost black. Wings subhyaline or slightly 

 grayish; veins brown, clothed with long, brown hairs. Venation 

 Cui+Mz about equal to the first section of M1+2 alone. 



Abdomen dark brown, the hypopygium elongated, reddish; 

 abdomen clothed with abundant pale hairs. Hypopygium with 

 the ventral, finger-like lobe stout with scattered elongate hairs. 

 The four chitinized appendages of the hypopygium shaped as fol- 

 lows: dorsal lateral arm broad, flattened, slightly curved, on the 



