AMERICAN IIYMENOPTERA. 253 



elongate quadrate black patch, extending from the apical margin to the base, 

 wliere it terminates in a point, on each side of which there is an ovate spot of 

 the same color near the anterior margin, apical segments blackish, clothed 

 witli pale golden pubescence. Underside of entire insect ferruginous. Length 

 4 linos. 



ILih. — Mexico. Prof. F. Sumichrast. 



93. Mutilla Izucar, n. sp. 



Female. — Head and thorax ferruginous, the former quadrate, posterior angles 

 acute, wider than thorax, finely reticulate; scape of ahtennro and mandibles 

 rufous, tips of the latter black ; eyes round. Thorax short, subquadrate, 

 rounded in front, slightly constricted at the sides, which are finely dentate, 

 metathorax abruptly truncate, coarsely reticulate. Legs rufo-testaccous, with 

 a few glittering Iiairs, intermediate and posterior tibife armed with spines, cal- 

 caria white. Abdomen ovate, second segment with a broad band of pale gold- 

 en pile on the apical margin, having a semicircular notch on its anterior edge, 

 apical segments fringed with pale golden pubescence^ underside dark rufous^ 

 inclining to black at the base. Length 3 lines. 

 Hab. — Mexico. Prof. F. Suiuichrast. 



94. Mutilla Chiapa, n. sp. 



Female. — Head and thorax ferruginous, closely and finely punctured, the 

 former quadrate, posterior angles acute, wider than the thorax; an- 

 tennae : scape and first joint of flagellum rufous, mandibles black at tips ; 

 eyes round, polished. Thorax short, subquadrate, rounded in front, 

 slightly constricted at sides, metathorax abruptly truncate. Legs pale 

 rufous, thinly clothed with whitish hairs, intermediate and posterior 

 V^^ tibire armed with long spines, calcaria pale. Abdomen ovate, black, 

 N^/ apical margin of basal segment fringed with pale golden jjubescence, 

 W second segment having a lunate band of pale golden pubescence, con- 

 nected with the anterior margin by two longitudinal lines of the same, apical 

 segments fringed with pale golden pubescence; ventral segments same .as 

 above. Length 'ih lines. 



Ilab. — Mexico. Prof. F. Sumichrast. 



9J. Mutilla cruciata, Smith, Cat. Brit. Mus. Hym. Ill, p. 42. No. 206. 



Female.— llcAiX and thorax ferruginous, the former quadrate, tlic posterior 

 angles acute; the cheeks produced into an obtuse spine; the posterior 

 margin of the vertex and the sides of the head fuscous; the vertex more 

 or less adorned with silvery pile ; the antennje rufo-fuscous. Thorax 

 fid<lle-shaped, the lateral margins denticulate; legs rufo-testaceous, dif- 

 fering in depth of coloring. Abdomen : the base more or less rufo-tes- 

 taceous, a central narrow line of silvery pubescence runs from base to 

 apex, a transverse fascia crosses the second segment a little within the 

 ajjical margin. Length 3 lines. 

 Iliih. — Brazil, (Para;) Mexico. 



The specimens from Mexico have the central and transverse lines 

 of pale golden pubescence. 



96. Mutilla petricola, n. sp. 



Female.— lli^Ad quadrate, wider than the thorax, finely punctured, liaving a 

 thin scattered pubescence; antcnnte: scape and first joint of flagellum ferru- 



TRA.NS. A.MEH. ENT. SOC. (33) FEBRUARY, 1871. 



