218 MR. CURTIS ON THE GENUS MYRMICA, 
15. S. ALBIPENNIS, Curtis. 
Male very black and shining; head dull, indistinctly punctured; mouth ferruginous: 
antennæ tawny, dusky at their tips, the scape and second joint ferruginous, the latter 
stouter than the third; and elongate obconic. Thorax indistinctly and irregularly 
striated ; scutel large and glossy ; postscutel convex, delicately punctured, with the angles 
scarcely visible. Petiole elongated, basal joint clavate, second subglobose : abdomen small, 
ovate-conic, the tip ochreous. Wings with a pale fuscous-yellow stigma, the nervures 
almost invisible. Legs long and slender, ochreous-white; the coxæ, thighs and tibiæ 
pitchy, except at their extremities: length 13, expanse 3 lines. 
Female undiscovered. 
Neuter smooth pale reddish ochre: head large, oblong, convex, finely striated, the 
margin and clypeus more or less fuscous; mandibles ochreous. Antenne stout, and 
ochreous, scape long, second joint stoutish, elongated, third and six following very short, 
transverse and increasing in diameter, the three last joints forming a stout fuscous 
club. Thorax much narrower than the head, indistinctly striate-punctate, oblong, nar- 
rowed at the middle; postscutel producing two distinct acute divaricating dark spines. 
Petiole stoutish, with a few hairs, basal joint elongate-clavate, subrugose, second globose : 
abdomen small, very polished, with a few short scattered hairs, ochreous, brown beyond 
the middle, the apex ochreous. Legs short, stout, and ochreous : length 1 to 14 line. 
The male of this species greatly resembles that of S. Westwoodii, but independently of 
its smaller size and somewhat different sculpture, the postscutel has only two minute 
points, which are scarcely visible; the tarsi, especially the hinder, are white in some 
lights, and the nervures of the wings are difficult to discern. 
The only evidence I have of the above insects being the males and neuters of one spe- 
cies is my having discovered them together. I beat two males and two neuters out of a 
Privet hedge, the 31st J uly 1852, on the Folkestone road near Dover. At first I considered 
the neuters to be small varieties of Myrmica unifasciata, but on obtaining typical speci- 
mens at Pau, the difference was manifest; the dark band on the body of that species 
covering more than half the basal segment, whilst the antennæ are entirely fulvous. This 
strong resemblance however leads me to think that its male may be similar to the same 
sex of our species, and consequently that it may be a Stenamma, as previously intimated. 
MYRMECINA, Curtis. 
16. M. Lareeıteıt, Curt. Brit. Ent. fol. and pl. 265 3; graminicola, Foerst. Hymen. 
Stud. p. 584. | 
_ Male smooth shining pitchy black, slightly hairy. Head broad, ocelli very prominent, 
the anterior one with a little fovea in front: mouth ochreous: antennæ longish, geni- 
culated, 13-jointed, tawny, and slightly thickened towards the apex. Thorax gibbose, the 
—" : forming large deep channels; scutel prominent; postscutel finely striated and 
producing two short sharp divaricating spines. Petiole stoutish, basal nodule elongated, 
second subglobose: abdomen ovate-conic. Wings entirely fuscous, stigma and nervures 
