AMERICAN MUTILLID^. 227 



Form as usual ; abdomen, as a rule, entirely reddish, the color rather uniform 

 throughout, segments 1 and 2 with pale glittering pubescence; femora 



sparsely pubescent. Length 8-10 mm Saiibornii Cress. 



5. Pubescence entirely black ; pubescence black ailfhra«icolor D. T. 



Pubescence entirely pale ; wings subhyaline segteon n. sp. 



14. ]VIiitiII:i liarpalyce n. sp. 



9 . — Black, the liead, thorax and abdomen above, except first segment, as far 

 as fifth segment reddish and densely clothed with appressed and erect fulvous 

 pubescence as far as fourth segment; mandibles ferruginous, darker apically ; 

 fifth dorsal segment with pale pubescence; sides of thorax, legs and abdomen 

 beneath with sparse black pubescence; ventral segments 2-5 fringed with grayish 

 yellow hairs; head subquad rate, wider than thorax; thorax not much longer 

 than broad, contracted medially, crenulated and subtruncate behind ; first and 

 second segments sessile; second ventral shining with large, scattered punctures, 

 which are sparser basally ; other ventrals finely and closely punctured ; pygidium 

 rugoso-punctate. Length 9-10 mm. 



California : Poway and San Diego. Two specimens. 



15. IVIutilla moiitivaga Cress 



Mutilla monfivaga Cresson, Proc. Ent. Soc. Phila., iv, 436, 9- 1865. 



Mutilla {Sphserophthalma) brasoria Blake, Tr. Am. Ent. Soc, iii, 255, 9> 1871. 



Sphserophthnlma montivaga Blake, ibid, xiii, 254, 9 i 1886. 



Sphserophthalma brazoria Blake, ibid, xiii, 254, 9> 1886. 



Texas ; Kansas ; Colorado ; New Mexico ; Arizona. A very 

 variable species, of which montivaga and brazoria seem to be 

 the extremes. 



16. Mutilla hippoflainia n. sp. 



9 . — Ferruginous, clothed, though not densely, with pale hairs ; legs brownish ; 

 first segment and second dorsal at base, apex and laterally, fuscous, the latter 

 otherwise orange, which color is sometimes divided by a fuscous line; head very 

 large, subquad rate, wider than thorax, coarsely and confluently punctured, buccal 

 carina sharp; antennae fuscous from fourth joint, the third joint longer than 

 fourth and fifth united ; thorax short, subquad rate, its length about equal to its 

 greatest width, acutely dentate anteriorly at sides, rugoso-punctate above, sides 

 crenulated ; first segment sessile with second ; second dorsal with strong, rounded 

 punctures, becoming much closer anterioi'ly ; second ventral with coarser, sparser 

 punctures; other segments compactly punctured, esjiecially the dorsals; pygidium 

 rugoso-punctate; all the segments fringed with silvery pubescence. 



Alabama ; Louisana ; Texas. 



17. Mutilla similliiiia Sm. 



Mutilla simillima Smith, Cat. Hym. Brit. Mus., iii, 62, 9 i 1855. 

 Sphserophthalma simillima Blake, Tr. Am. Ent. Soc, xiii, 254, 9- 1886. 



Florida. I have also collected this species in Southern New 

 Jersey. 



Three specimens before me from Florida are much larger than 

 the typical form, and the orange color of second dorsal segment is 



TRANS. AM. ENT. SOC. XXV. JANUARY, 1899 



