^RT. 5 GENERIC REVISION OF THE FOSSORIAL WASPS PARKER 53 



knowledge of the biology of these wasps obtained before the question 

 of the validity of species can be satisfactorily answered. 



SPECIMENS EXAMINED 



California: Lake City, Modoc County (July. 1922. C. L. Fox). 

 Idaho: Lewiston (C. L. Fox). 



Washington: Grand Coulee, Columbia River (July 12. 1902) ; Palm (July 25, 

 1923, M. C. Lane). 



STENIOLIA GUATEMALENSIS (Rohwer) 



^tictia guatemalensis Rohweb, Proc. U. S. Nat. Mus., vol. 47, 1914, p. 517. 



This species was described b}'' Rohwer from two females fr<jm 

 •Guatemala but was referred to the wrong genus. The males that I 

 liave associated with these two females have the maculations white 

 and have a pair of black marks, variable in size, on the clypeus. 

 The maculations on the females are more yellowish but they are by 

 no means so yellow as those of longirostris. Like that species, both 

 males and females of this one have the hind femora black and 

 ferruginous. 



SPECIMENS EXAMINED 



Ecuador: (C. T. Baker). 



Gt'ATEMALA : AntigTiE (W. P. Cockerell) ; Guatemala City (W. P. Cockerell). 



Salvador: Sau Sebastian, Department of San Salvador (S. Calderon). 



RUBRICA, new genus 



Figures 21, 22, 73 



Monedula Handliesch and Authors (part). 



Genotype. — Monedula gravida Handlirsch. 



Species belonging to this genus may be readily distinguished from 

 those of other genera by the following combination of- characters : 

 Anterior ocellus a transverse, linear, arcuate cicatrice; maxillary 

 palpus composed of six segments, labial of four; posterior lateral 

 angles of propodeum rounded. In the case of the males the seventh 

 tergite bears lateral spines ; the eighth sternite ends in a single spine ; 

 the middle coxa bears a more or less well-developed posterior tooth, 

 and the middle femur near its apex below bears a pair of flattened, 

 roundly pointed teeth. 



Head broad as thorax; eyes naked; anterior ocellus reduced to a 

 cicatrice, transverse, arcuate; clypeus prominent, bulging, its basal 

 half on median line strongly carinate, its apical portion strongly flat- 

 tened; mandibles dentate; maxillary palpus composed of six seg- 

 ments, labial of four ; posterior lateral angles of propodeum rounded, 



