Becords of Been. 479 



moderately bigibbous, axillae bluntly conical ; area of rneta- 

 thorax dull and rough basally ; tegulte bright ferruginous. 

 Wings strongly dusky at apex. Legs obscure ferruginous, 

 spurs red. Abdomen with broad yellow l)ands on first two 

 segments, that on first anteriorly produced at sides into an 

 evanescent cloud, not a distinct tooth or band-like lobe ; 

 third and fourth segments with whitish bands, more or less 

 failing in middle; modified pygidial space subcircular, not 

 very large ; last ventral segment produced beyond last 

 dorsal, the very broad end turned downward. 



$ . — Similar in appearance, but the legs are mainly black ; 

 the anterior tibia?, middle tibiae in front, hind tibise at base, 

 and the tarsi (the hind ones not wholly) are red ; face 

 densely covered with creamy-white hair ; mandibles black 

 with a median red band; Ungellum black except at base; 

 yellow spots on anterior margin of mesothorax larger, 

 suffusedly elongate posteriorly ; abdomen with five yellow 

 bands (snccessively paler) and one white one, the first two 

 bands more or less suffused with brownish-orange ; ventral 

 fringes pale reddish at ends. The dark parts of abdomen 

 are hoary with a tine pale pubescence. 



Carcarana, Argentina [L. Bnutei\ 15). U.S. Nat. Musenm. 



Resembles Epeolus burmeisteri, Friese, but considerably 

 larger, with darker legs, and the patch on anterior margin 

 of mesothorax divided into two spots, Epeolus [Doerinyiella) 

 bizonatus (Holmbg.), from Bahia Blanca (Bruner), is super- 

 ficially very like T. pruinosvs, but larger, aud easily separated 

 by the extraordinary antennae. 



Isepeolus vierecki, Jorgensen. 



Bahia Blanca, Argentine {Bruner) ; San Juan, Argentine 

 (C. »S. Reed). 



It is permissible to correct the specific name, printed 

 " vieckl " in Jorgeuseu's w^oik. 



Isepeolus bruneri, sp. n. 



5 . — Length 10 mm. 



Black, mandibles obscurely reddish in middle, but other- 

 wise tegument of head and thorax all black ; thorax 

 variegated with white hair as in other species, with two 

 conspicuous black spots on scutellum, and others covering 

 axillae; disc of mesothorax ?hining, with well-separated 

 punctures; first two abdominal segments ornamented as iu 

 /. cockerelli, Jorg., except that the inner processes on second 

 segment are longer; third with a ])air of large oblique 



