November i^fr)-] 



PSYCHE. 



425 



b". Body about half as long again as broad, front border of pronotuni of 

 same color as disk. ........ forinicarum. 



a'-. Body relatively small or minute, less broad, convex; hind femora ovate, as 

 arcuate above as below. 



b '. Of medium size, the female at least 3 mm. long, generally* very dark 

 castaneous in color ........ oregoneiisis. 



b'-. Of small or minute size, the female but little if at all exceeding 2 n)m. 

 in length, light testaceous in color. 



c'. Larger, the female exceeding z mm. in length, relatively broad, 

 moderately tomentose, the segments not margined posteriorly with 

 darker color; hind tibial spurs nearly half as long as tarsi. 



nebrascensis. 

 C-. Smaller, the female not exceeding 3 mm. in length, relatively 

 slender, sparsely tomentose, the pronotum and succeeding larger seg- 

 ments posteriorly margined rather broadly and feebly with fuscous; 

 hind tibial spurs much less than half as long as tai'si . nehmvkae. 



Myrmecophila pergandei. 



Myr}necophila pergandei Brun. ! 

 Can. ent., xvi, 42-43, fig. 4 ab (1SS4) ; 

 Riley, vStand. nat. hist., ii, iSi (1SS4) ; 

 Brun., Publ. Nebr. acad. sc, iii, 33 

 (IS93J- • 



Of large size for this genus, broad oval, 

 about twice as long as broad, depressed, 

 especially behind the prothorax, very 

 sparsely tomentose, testaceo-castaneous, 

 obscurely and somewhat broadly infuscated 

 on both front and hind margins of tlie 

 pronotum and on the hind margins of the 

 segments behind it, the extreme front margin 

 of the pronotum luteous, tlie liead fusco- 

 testaceous, tlie antennae as long as tlie body, 

 luteo-testaceous, luteous basally, the legs 

 testaceous, more or less faintly infuscated. 

 Pronotum truncate in front and behind, the 

 front marijin about two thirds as broad as the 

 liind margin, the sides well rounded and 



considerably deflexed; mesonotum and meta- 

 notum equal, much longer than the first or 

 second abdominal segments, which are equal 

 between themselves. Hind femora p^'riform, 

 their generally oval shape being slightly 

 produced apically, distinctly more arcuate 

 below than above, less than twice as long 

 as broad ; outer liind tibial spurs more than 

 half as long as the tarsi. Cerci moderately 

 slender, about as long as the hind femora; 

 ovipositor slightly longer than .that. 



Length of the body, 4.25 mm.; breadth, 

 2.25 mm. 



3 ? . Washington, D. C. with For- 

 7iiica nifa in rotten logs, Pergande 

 (Bruner) ; Same, with Camponotiis 

 pcnnsylvanicus (Bruner; ; Georgia, 

 Morrison. According to Bruner it is 

 also foimd in Maryland. It is also 

 given by him in his list of Nebraska 

 Orthoptera but proljably by mistake. 



^Sonie specimens • 



1 alcohol, are testaceou 



