156 U. S. NATIONAL MUSEUM BULLETIN 2 1 6 part 3 



Female: Head colored as in male except that there is usually a 

 median fulvous stripe on frons and a small median fulvous spot on 

 occiput just below ocelli; mouth parts and antenna colored as in male 

 except that scape and pedicel are mostly fulvous rather than white; 

 propleurum whitish; pronotum whitish except for a black band across 

 neck region and a narrow black stripe along its hind edge; rest of 

 thorax pale fulvous with paler, whitish areas and with sutural black 

 marldngs on its more dorsal parts, the tegula, subtegular ridge, spot 

 in center of mesoscutum, scutellum, and postscutellum being definite- 

 ly ivory and the ground color of the mesoscutum being brownish ful- 

 vous rather than fulvous; legs fulvous, the front and middle coxae 

 and trochanters with pale yellowish tinges, the hind tibia faintly 

 darkened apically, and the hind tarsus brownish fulvous with the apex 

 of its first segment, all of second and third, and basal part of fourth 

 segment pale yellowish; abdomen uniformly fulvous. 



Type: 9, Oak Creek Canyon, Ariz., May 18, 1947, H. and M. 

 Townes (Washington, USNM 63767). 



Paratypes: 14 cf, 59, Oak Creek Canyon, Ariz., May 13, 16, 18, and 

 20, 1947, H. and M. Townes (Townes). Sd", 19, Parker Creek, 

 Sierra Ancha, Ariz., May 4 and 7, 1947, H. and M. Townes (Townes). 

 17 cf. Pocket Creek, Sierra Ancha, Ariz., May 5, 1947, H. and M. 

 Townes (Townes). 



This species occurs in moist deciduous woods of the Transition 

 zone in the mountains of central Arizona. 



7. Ischnus laevifrons, new species 



Front wing of male 4.8 to 5.3 mm. long, of female 5.2 to 5.7 mm. 

 long; body slender; frons smooth, polished, with very sparse, fine 

 punctures (in all other Nearctic species the frons mat, with its cen- 

 tral 0.5 ± rugulose and/or rather closely punctate); clypeus narrow, 

 pyramidal in profile; tyloids on about 5 segments, elliptic, somewhat 

 oblique to long axes of segments, extending about 0.7 the length of 

 the segments, the segments bearing the tjdoids shortened; mesoscutum 

 strongly mat, its punctures fine and weak, these inconspicuous in 

 male, almost invisible in female; scutellum with lateral carina on its 

 basal 0.2 ± in male, on its basal 0.3 ± in female; metapleurum of male 

 with fine, weak, rather close punctures, of female with fine, close 

 moderately strong punctures that are partially obscured by dense fine 

 wrinkling; propodeum apicad of basal carina mat and with small 

 punctures in male, mat and ruguloso-punctulate in female, its apical 

 carina entirely lacking; postpetiole mat, with weak, sparse punctures 

 that are smaller and sparser in female than in male; second tergite 

 mat, with very shallow punctures that are separated by about 0.8 

 their diameter. 



