NO. 1487. NORTH AMERICAN DIGGER WASPS— FERNALD. 403 



CHLORION ( PROTEROSPHEX) ICHNEUMONEUM AURIFLUUM (Perty). 



Sphex aurijlua Perty, Delect, anim., 1834, p. 142. 



Sphex iclineumoneus var. auriftuus Kohl, Ann. natur. Ilofmus. Wien, V. 1890, 

 p. 431. 



This subspecies differs from C. ichnenmoneuiii as follows: The 

 petiole and al)domen are ferruginous, the latter having a clear, reddish 

 or resin-like shade; the legs, except the coxa?, are also of this color; 

 the wings are rather fuliginous, but no more so than is sometimes the 

 case in the typical form; the pubescence and hairs are a darker, richer 

 golden, and the body as a whole appears somewhat more slender in 

 proportion to its length than in the typical form. The length is about 

 the same. 



1 have studied specimens of this subspecies from Florida (Choko- 

 loskee) and from Cuba. Kohl reports it from Mexico and Venezuela. 

 In some examples portions of the al)domen ai"e darker than the rest. 



CHLORION (PROTEROSPHEX) ICHNEUMONEUM FULVIVENTRIS 



(Guerin). 



Sphex fidvivetiiris GvKRis, Duperry, Voy. Coquille, Zool., II, 1830, p. 1. 

 (S);/(('.'- iclmciononeus var. fiilriventris Kohl, Ann. natur. Hofmus. Wien, V, 1890, 

 . p. 431. 



This subspecies differs from the typical form as follows: Petiole and 

 abdomen entirely ferruginous red, as in the last subspecies, more or 

 less varied with darker; coxre black; anterior trochanters partly, mid- 

 dle and posterior ones wholly ferruginous (I believe this may be vari- 

 able); rest of the legs ferruginous except the claws and pulvilli which 

 are dark or black, and the last tarsal segment which is sometimes 

 darker than the rest; wings quite strongly fuliginous; mesonotum 

 with a pubescent band along the anterior median groove; body hairs 

 sometimes decidedly reddish. 



Length.— 20-27 mm. 



I have examined specimens of this subspecies from Chokoloskee and 

 Miami, Florida; Spanish Wells, Bahama Islands; Habana, Cuba, and 

 from Jamaica. 1 have also seen specimens which are intermediate 

 between this and the preceding subspecies. 



CHLORION (PROTEROSPHEX) CALIGINOSUM ( Erichson). 



Sphex caiiginosa Erichson, Schomburgk, Reise in Guiana, III, 1848, p. 589. 

 Sphex eryihroptera Camerox, Biol. Centr.-Amer., Hym., II, 1888, p. 30, pi. in, 



figs. 1, la. 

 Sphex caliginosus Kohl, Ann. natur. Hofmu.s. Wien, V, 1890, p. 415. 



Large, robust insects; body and legs entirely black; wings hyaline, 

 with a dark yellowish-brown tinge near the base, the outer margins 

 slightly fuliginous; hairs black. 



