SPHiEEOPHTHALMA. 349 



v 65. Sphserophthalma xalapa. 



Mutilla xalapa, Blake, Trans. Am. Eat. Soc. iii. p. 249 \ 

 Sphcerophthalma xalapa, Blake, op. cit. xiii. p. 245 2 . 



Hab. Mexico (Sumichrast 1 2 ). 



' .66. Sphaerophthalma zapoteca. 



Mutilla zapoteca, Blake, Trans. Am. Ent. Soc. iii. p. 250 \ 

 Spheerophthalma zapoteca, Blake, op. cit. xiii. p. 245 2 . 



Hab. Mexico (Sumichrast x 2 ). 



B. The basal segment of the abdomen not or feebly dilated towards the apex, and not 

 confluent with the second. (Species 67 et seq.) 



67. Sphaerophthalma laothoe. 



Rufo-brunnea, aureo-hirta ; pedibus brunneis ; abdomine maeulis 2 nigris. $ . 

 Long, fere 10 millim. 



Hab. Mexico, San Bias in Jalisco [Schumann). 



Head distinctly narrower than the thorax, ferruginous ; the vertex and front densely 

 covered with golden pubescence ; the cheeks and clypeus with the pubescence longer 

 and more silvery ; in front distinctly rounded ; behind, the centre is transverse, with the 

 sides rounded ; the part behind the eyes not one-half their length. The mandibles 

 black, with the base ferruginous. The antennae of moderate thickness and black ; the 

 scape rufous, covered with golden hair ; the basal joints of the fiagellum dull reddish 

 beneath, the third joint about one-quarter longer than the fourth. The thorax is 

 twice the length of the head ; the base almost transverse in the middle ; from the 

 middle it becomes gradually narrowed to the apex, which has an oblique slope ; ferru- 

 ginous ; the base of the mesonotum covered broadly with black hair, the rest of it and 

 the median segment covered densely with golden hair; the mesopleurae densely 

 covered with long pale golden hair ; the metapleurse at the apex with large round 

 punctures. The abdomen is shorter than the head and thorax united, ferruginous, 

 the basal segment slightly and gradually dilated towards the apex ; coarsely punctured ; 

 sparsely covered with long pale hair ; the apex with a dense band of silvery pubescence. 

 The second segment at the base has a large, somewhat oval, mark of black hairs, the 

 apex in the centre bears a patch of black hair, and the apex at the sides is fringed 

 with silvery pubescence ; the rest of the segment, except the black parts, having 

 scattered golden hairs. The third segment is black in the middle, the sides covered 

 with golden hair ; the fourth and fifth segments are entirely covered with golden hair. 

 The pygidium is black, longitudinally striated, the apex entire ; the sides fringed with 

 long black hairs. The basal ventral segment has a blunt keel, the apex with a rather 



