>«) TIIK lANAIilAN KNTOMOUKJIKT. 



Type, No. 12750. U. S. N. M. 



Diflfcrs from fulv'tcornis \\\ absence of fovea, by lateral ocelli ; vena 

 lion, tooth on clypeus and other characters. 



Pleroneura Koebeld, n. sp. — (J. Length, 6 mm. .Anteiior mar^^in of 

 the clypeus roumled in the middle, with a small obtuse tooth ; antennal 

 furrows deep, meeting above the ocellus on a line between the lateral 

 ocelli ; postocellar furrow not present ; lateral furrows of the postocell »r 

 area shallow; middle fovea shallow, elongate ; palpi as in fulvicomii ; 

 head o|)atpie, wiih fine punctures ; middle lobe of the mcsonotmn moie 

 closely fculpiured than the lateral lobes, which have se[)arate punctures ; 

 claws with a small tooth at base and a long seta at apex ; venation nearly 

 as \x\ fulvicornis ; hypopygidium about as wide as long, at the apex nearly 

 truncate. Colour reddish brown ; middle lobe of mesonotum, scutellum, 

 nietathorax above, dorsulum, except three apical segment, black. Wings 

 ytllowiih-hyaline, iridescent ; venation pale reddish-brown. 



'I'ype locality : Oregon. Koebde. 



Type, No. 12752, U. S. N. .M. 



Pleroneura lutea, \\. sp. — ^. Length, 4.5 mm. .\nterior margin of 

 the cly[)eus truncate, the sides rounded and an obtuse tooth in the middle ; 

 antennal furrows narrow and deej), meeting on the postocellar furrow, 

 which furrow is distinct ; postocellar area indistinct and parted in the 

 middle by a faint furrow ; head and ihora.x opaque, with fine punctures, 

 which are imiform ; claws and venation as in Koebelei ; hypopygidium 

 slightly narrowing toward the a|)ex, which is nearly truncate. Head. 

 antenn!« and thorax reddish-luleous ; clypeus, labrum, legs and abdomen 

 luteous ; wings glassy-hyaline, iridescent ; venation luteous. 



Type locality : Oregon. Koebele. 



Type, No. I 2751, U. S. N. W. 



Nearest to P. Koebelei. 



Cephaleia fulviceps, n. sp. — 9- Length, ti.5 mm. .\nterior margin 

 of cly()eus slightly notched in the middle, the clypeus sculptured like the 

 front ; no fovea on the head, and the lateral boundaries of postocellar area 

 faint; front closely punctured; veitex and posterior orbits sparsely 

 punctured ; antennas 26 jointed, third joint subequal with 4 and 5 ; meso- 

 notum and scutellum shining, with close, fair-sized punctures on all the 

 sutures; scutellar appendage finely granular; legs normal for genus; 

 abdomen with a velvety appearance, due to the close reticuUtion ; vena- 

 tion like Cephaleis abietis (fig. 42, i-l. XX\1. No. 1438. IV V. .s Nat. 



