ICHNEUMON-FLIES OF AMERICA: 1. METOPIENAE 



93 



Key to the subspecies of Metopius errantius 



1. Yellow apical band on fifth tergite occupying about 0.15 of the segment's 



length at the midline (figs. 185,d,e) ; punctures on third tergite moderately 



crowded, separated by rounded ridges 2 



Yellow apical band on fifth tergite occupying about 0.35 the segment's length 

 at the midline (figs. 185,f,g) ; punctures on third tergite strongly crowded, 

 separated by sharp ridges 3 



2. Ground color of abdomen and side of thorax blackish; range: Alleghenian and 



Carolinian faunas la. errantius errantius Davis 



Ground color of abdomen and side of thorax medium brown; range: Florida. 



lb. errantius floridanus, new subspecies 



3. Yellow mark on tergites 3 and 4 not extending forward much if any beyond 



the midlength of the tergite (fig. 185,f) ; range: Arizona. 



lc. errantius arizonicus, new subspecies 

 Yellow mark on tergites 3 and 4 extending forward sublaterally almost to the 

 front margin (fig. 185,g); range: California. 



Id. errantius calfornicus, new subspecies 



la. Metopius (Peltales) errantius errantius Davis 



Figures 167,b; 185,d 



Metopius errantia Davis, 1897, Trans. Amer. Ent. Soc, vol. 24, p. 199; ? . Type: 

 9, Gaylord, Mich. (East Lansing). 



Punctures on third tergite moderately crowded, separated by 

 rounded ridges. 



Black. Face except below the shield and for a central mark in the 

 shield, interantennal process, side of frons, scape and pedicel beneath, 

 free margins of labrum in whole or laterally, part of mandible, maxilla 

 and labium of male, apical mark on second maxillary segment of 

 female, subtegular ridge, often all or part of upper margin of pronotum, 

 often a narrow vertical stripe below subtegular ridge, apex and lateral 



%^XjA 



Figures 59, 60. — Localities, subspecies of Metopius {Peltales) errantius: 59 (left), errantius; 



60 (right), floridanus. 



