Atta Fervens. Fusca, sericea, alis fuscis, capitis angulis posticis rotundatis. (Expans. Alar. 2 unc. 6 lin.)
Syn. Formica fervens, Drury, App. vol. 2. Say in Journ. of Nat. Hist. Soc. of Boston, p. 290.
Habitat: Musquito Shore, on the Bay of Mexico.
Antennæ small, setaceous, and shorter than the thorax. Head dark brown, small and flat, armed with strong jaws. Eyes small, round and black. Thorax and abdomen dark brown, and velvety. Wings brown and diaphanous. Legs coloured like the body, without any spines at any of the joints; neither is there any abdominal peduncle.
This insect (which appears to be a queen or female ant) is nearly allied to a very celebrated South American species, which, from visiting the houses of the inhabitants in great swarms, is termed the visiting ant. (Atta Cephalotes, Fabr.) The late Mr. Say, however, pointed out the differences between the two species in his manuscripts, which have been published in the Journal of the Natural History Society of Boston for 1836.
PEPSIS SEVERA.
Plate [XLII]. fig. 4.
Order: Hymenoptera. Section: Fossores. Family: Pompilidæ, Leach.
Genus. Pepsis, Latr. Fabr. Sphex, Linn. Drury.
Pepsis Severa. Atra, alis fulvo-diaphanis apice fuscis, pedibus fulvis femoribus nigris. (Expans. Alar. 3 unc. 3 lin.)