342 HYMENOPTERA. 



closely punctured. The legs entirely ferruginous, the hair white; the tibial spines 

 long, sharp, and ferruginous ; the tarsal spines bright ferruginous. 



^ 48. Sphasrophthalma ludovica. (Tab. XIV. fig. 24, s,) 



Long. 8 millim. $ . , 



Hah. Panama, Voican de Chiriqui 3000 feet {Champion). 



Head distinctly wider than the thorax, the part behind the eyes roundly narrowed 

 and not equalling half their diameter; ferruginous, the vertex black, with a small 

 ferruginous mark in the centre, which bears a bright golden pubescence ; the front 

 with silvery pubescence; the mandibles ferruginous, the tips black. The antennae 

 rather stout, ferruginous ; the apical four joints black ; the third joint not much longer 

 than the fourth. The thorax with a distinct neck, the part immediately behind the 

 neck rounded, the middle very slightly incurved, the apex with a semiobliquely rounded 

 slope ; finely and closely coriaceous ; the pleurae shining, except a small punctured 

 part on the mesopleurse in the middle at the top, which is black ; in front of the 

 mesonotum are two oblique black marks, and on either side of the median segment are 

 two broad black longitudinal lines, extending to the apex. The abdomen is elongate, 

 longer than the head and thorax united, ferruginous, punctured ; the first and second 

 segments are covered with silvery and golden pubescence ; on the base of the second 

 segment are two large, somewhat triangular black marks united at the apex ; the 

 pygidium is thickly covered with golden hair. The basal ventral segment has a distinct 

 keel, the apex of which is oblique ; the second segment is strongly punctured ; the 

 third and fourth ventral segments, and the base of the fifth, are black, the apex of the 

 fifth and the sixth ferruginous. The legs are ferruginous, the hairs on the tibiae 

 golden. 



J 49. Sphaerophthalma rustica. 



Long. 7 millim. $ . 



Hah. Panama, Voican de Chiriqui 3000 feet (Champion). 



Head distinctly wider than the thorax; the eyes largely projecting, a little longer 

 than the hinder part of the head, which is roundly narrowed ; ferruginous, the hinder 

 orbits black ; covered with a short golden pubescence and with some long black hairs ; 

 the apex of the clypeus is distinctly transverse. The mandibles are almost entirely 

 ferruginous ; they are slightly punctured and clothed with golden hairs. The scape and 

 the second joint of the antennae are reddish, the scape with white hairs; the third 

 joint is about one and a half times longer than the fourth. The thorax is rounded at 

 the base; the apex has a semioblique slope, the top being broadly rounded; before 

 the middle is a stout triangular tooth, followed by a small rounded tubercle in front of 

 the usual tubercles ; the centre is distinctly but not deeply curved inwardly; the sides 



