i" 
i 
: 
WHEELER: ANTS OF THE GENUS FORMICA. 547 
130. F. (P.) Kraussi Forel. 
F. kraussit Forel, Mitth. Schweiz. ent. gesell., 1895, 9, 8 ; Emery, Bull. Soc. 
ent. France, 1899, p. 18; Forel, Ann. Soc. ent. Belg., 1902, 46, p. 155, o’. 
F. (Proformica) kraussi Emery, Deutsch. ent. zeitschr., 1909, p. 204, 8 o. 
WorkKER. Length 3.2 mm. 
Habitus more like that of Lasius than Formica. Head oval, narrower 
anteriorly; frontal carinae very short. Mandibles 5-toothed, with 
oblique border. Clypeus very bluntly carinate. Pronotum, seen 
from above, rounded, spherical, twice as broad as the mesonotum. 
Petiolar scale truncate, with rounded dorsal border. 
Very shining, head less so, very finely rugulose; mandibles finely 
striated. 
Surface scarcely pubescent, with numerous short, erect, obtuse, 
slightly clavate hairs. Legs with short, sparse pubescence. 
Dark brown, gaster piceous with feeble bronze reflections. 
Mate. Length 3.5 mm. 
Body short. Eyes not especially large; mandibles narrow and 
pointed. Thorax high; petiole with bluntly rounded node. Gaster 
short. Volsellae of genitalia very short and slender. Anterior wings 
with large stigma and without a closed discoidal cell. 
Body scarcely pubescent; suberect hairs as in the worker; tibiae 
with a few oblique bristles. 
Piceous, head and tip of gaster almost black; appendages more or 
less reddish, femora darker. 
Known only from Southern Algeria. 
131. F. (P.) Emmae Forel. 
F. (P.) emmae Forel, Bull. Soc. Vaud. sci. nat., 1909, ser. 5, 45, p. 381, 3; 
Emery, Zool. jahrb. Suppl., 1912, 15, p. 103, 8. 
WorkeER. Length 3-5.5 mm. 
Mandibles 5-toothed, the apical tooth long; head as broad as long, 
with the posterior angles rounded and the posterior border scarcely 
convex. Fourth joint of maxillary palpi curved, as long as the two 
last joints together; third nearly as long as the fourth. Ocelli dis- 
tinct. Eyes large, rather convex, situated at the posterior third of the 
head. Clypeus feebly carinate, the carina interrupted at its anterior 
third by a small transverse impression. Anterior border of clypeus 
straight, not projecting. Antennal scapes surpassing the posterior 
border of the head slightly even in the largest workers. First funi- 
cular joint 14 times as long as the second, all the other joints at least 
