97 



several shallow depressions apieally, the apical angles with tufts of 

 short golden hairs. 



This form is close to the cnncolor of Cresson as that species is 

 describet, but the two differ in various details. In mellicornis the 

 ocelli enclose, but art- not "enclosed by" a black area, and the abdomen 

 is blackish apically. A sufficient characterization of the original con- 

 color ^^^ never yet been given. So far as the original description is 

 concerned, several perfectly distinct far western species might, with a 

 superficial examination, be thrown into it by the careless interpreter. 

 4042 Odontophotopsis viereckii n. sp. 



Length 9 nnn. Castaneous, antennae, tegulae, legs, and veins in wings 

 honey yellow. Viewed from the side the genae are unusually broad and 

 swollen, though the head is triangular in outline; the eye margin is 

 not simply truncate posteriorly as in the other species described, but 

 is quite distinctly en arginate. Viewed from above the head is broadlv 

 semicircularly rounded behind. Vertex smooth and shining, with scatter- 

 ing very shallow punctures, thinly clothed with long and short golden 

 hairs; the anterior ocellus is abnormally enlarged, the two posterior 

 nearer to each other than to the eyes; the ocelli are set in a darkened 

 but not a black area. Occiput fringed with golden hairs, (rular i-egio.i 

 with a few plumose hairs posteriorly. Articles II and IV of maxillary 

 palpi far more strongly expanded laterally than article HI and a little 

 shorter. Scape rather slender, rugoso-punctate, and covered with rather 

 short golden hair. Flagellum dark honey yellow, covered with fine short 

 white down, the first article three-fourths the length of the second.. 

 The mandibles are clothed with long golden hairs, and have the usual 

 emargination below which is subtended liy a blunt tooth; tips black 

 and tridentate. 



Pubescence unusually short and principally golden above. White 

 plumose hairs unusually numerous on thorax, the sides of the prothorax, 

 and the metanotuni being clothed with them. Mesonotum shining, shal- 

 lowly punctured, its four grooves reaching scarcely half its lengtli. 

 Scutellum rugoso-punctate. Metanotuni very coarsely and very sharply 

 reticulate, the meshes pentagonal, two or three of those on either side 

 of median line anteriorly run together, forming two long areas; laterally 

 the reticulations are smaller and more irregular. Mesosternum rugoso- 

 punctate, the teeth rather large, very broad at base, and acute at tin. 

 Wings faintly smoky on apical third, veins pale honey yellow, stigma 

 darker; apex of marginal cell narrowly truncated; first recurrent 

 nervure entering second submarginal cell before the middle; transverso- 

 median nervure joining the externo-niedian beyond the basal. 



Abdomen shining, well covered with golden hairs above, and with 

 plumose hairs on apical margins of first to fourth segments, though 

 these form a conspicuous band only on the second; "felt lines" on second 

 segment clearly defined but with few hairs; third segment with the 

 usual speculum. First segment of abdomen as seen from above trapezoid- 

 al, length once and half the width at apex, basally rugoso-punctat-i, 



