142 MISCELLANEOUS FOREST INSECTS. 



basin V-shaped, open below; crest poorly defined; head with small, scattered punc- 

 tures; antennae rather robust, third and fourth joints equal; stigma broadest at base, 

 tapering to apex; transverse radius normal; sheath and saw as in Plate XXIV, 

 figure 10, and Plate XXIII, figure 3. Black; antenna? brownish; head (except be- 

 tween antennal furrows above antenna?), teguhf, spot on lower angle of pronotum, 

 apex of venter, sheath, and legs below coxa? reddish-yellow; posterior tibite pallid, 

 posterior tarsi dusky; wings hyaline, iridescent; venation pale brown, stigma and 

 costa yellowish. 



Type locality. — Montana. 



Type.— Cat. No. 13472, U. S. National Museum. 



Hopiocampa (Hoplocampa) koebelei n. sp. 

 (Plate XXIII, fig. 6; Plate XXIV, fig. 3.) 



Female. — Length 3.5 mm. Labrum broad, obtusely triangular; clypeus broadly, 

 triangularly emarginate, lobes broad, sharply triangular; supraclypeal area convex, 

 polished; antennal fovea? not sharply defined; antennal furrows nearly continuous; 

 middle fovea transversely oval; crest poorly defined; ocellar basin reduced to a pit 

 below the ocellus; postocellar area well defined, the furrows punctiform laterally; 

 antennae wanting; head with small, distinct, separate punctures; stigma gently 

 rounded below, broadest a little basad of middle; transverse radius normal; upper 

 discal cell of hind wings slightly longer than lower; sheath and saw as in Plate 

 XXIV, figure 3, and Plate XXIII, figure G. Black; head (except inside antennal 

 furrows to postocellar furrow), pronotum, tegulae, venter, apex of tergum, and legs 

 below trochanters reddish-yellow; posterior tarsi dusky; wings hyaline, iridescent, 

 venation pale brown, stigma pallid. 



Type locality. — Oregon. One female collected by Mr. Albert 

 Koebele. 



Type. — Cat. No. 13473, U. S. National Museum. 



Hoplocampa (Hoplocampa) alpestris n. sp. 

 (Plate XXIII, fig. 5; Plate XXIV, fig. 5; Plate XXV, fig. 1.) 



Female. — Length 4.5 mm. Labrum obtusely angulate; clypeus with a shallow, 

 narrow, arcuate emargination, lobes broad, obtuse; supraclypeal area convex, pol- 

 ished; antennal fovea? poorly defined; antennal furrows nearly wanting; middle fovea 

 broad, shallow, better defined below; ocellar basin reduced to a circular depression 

 in front of the anterior ocellus; postocellar very poorly defined; head jDolished, nearly 

 impunctate, punctures very small and scattered; antennae slender, the third and 

 fourth joints subequal; mesothorax shining, polished; stigma broadest at base, taper- 

 ing to apex; transverse radius normal; sheath and saw as in Plate XXIV, figure 5, and 

 Plate XXIII, figure 5. Black; orbits (except at upper middle), clypeus, labrum, 

 mandibles, supraclypeal area, tegulae, a small spot on pronotum, ventral part of tergal 

 segments 6-9, and legs below coxae reddish-yellow; wings hyaline; venation rather 

 dark brown, stigma and coeta yellowish. 



Male. — Length 3.5 mm. Structurally not differing in any important characters 

 from the female; hypopygidium broadly rounded to an obtusely angulate middle. 

 Reddish-yellow; antennae brownish; spot around the ocelli, anterior part of meso- 

 prescutum, metanotum, and most of tergum black; wings as in female. 



Type locality. — Veta Pass, Colo. Two females and one male col- 

 lected June G, by Mr. E. A. Scliwarz. 



Type. — Cat. No. 13474, U. S. National Museum. 



