352 HYMENOPTEEA. 



* 71. SphaBrophthalma anthracia, 



Mgra ; capite, pronoto metanotoque rufo-hirtis ; abdominis segmento 2° maculis 2 argenteis. $ . 

 Long. 9-12 millim. 



Bab. Panama, Bugaba 800 to 1500 feet, San Feliz (Champion). 



Head slightly narrower than the thorax, rounded in front, transverse behind ; the 

 part behind the eyes equalling them in length ; densely covered with golden 

 pubescence, the pubescence on the cheeks and behind the eyes silvery; the mandibles 

 entirely black. The antennae black, the flagellum brownish beneath; the scape 

 covered with long white hair; the third joint about one-quarter longer than the 

 fourth. The thorax not much narrowed towards the apex ; black, the mesonotum 

 with black hair ; the pleurae covered with long silvery hair ; the pronotum, the base 

 of the mesonotum, and two round marks on the median segment covered with long 

 golden hair; the apex of the metapleurae reticulated. The abdomen a little longer 

 than the head and thorax united, wider than the thorax, black, covered with black 

 pubescence ; the basal segment dilated towards the apex, covered with long white hair, 

 the apex bordered with white pubescence ; near the base of the second segment are 

 two round marks of white pubescence ; the apex of the second segment, except in the 

 middle, the third, except in the centre, and the sides of the fourth and fifth segments 

 (the latter only very narrowly) covered with silvery pubescence. The pygidium 

 obscurely striolate, margined with long black hair. The basal ventral segment ferru- 

 ginous at the base, covered with long white hair ; the keel blunt, gradually raised to 

 the apex, which is rounded at the top and obliquely truncated ; the second ventral 

 segment is strongly punctured, sparsely covered with long white hair; the other 

 ventral segments hid by a pale silvery pubescence. The legs are black and covered 

 with long white hair ; the spines and calcaria are black. 



/ • 



v 72. Sphaerophthalma hiera. 



Long. 11 millim. $ . 



Bah. Mexico, Paso del Macho (Edge). 



Very similar to S. anthracia, but with the median segment (instead of having two 

 golden marks) covered all over with golden pubescence, and the two marks on the 

 second abdominal segment golden (not silvery), the marks much larger and not round. 



The head is a little narrower than the thorax, rounded in front and behind, densely 

 covered with golden pubescence ; the antennal tubercles and the base of the mandibles 

 ferruginous. The antennal scape curved, covered with long white hair ; the flagellum 

 thick, the third and fourth joints subequal. The thorax black, narrowed towards the 

 apex ; the pronotum, the sides of the mesonotum, and the median segment entirely, 

 covered with golden pubescence; the mesopleurse covered with white pubescence; the 

 metapleurse coarsely reticulated. The abdomen as long as the head and thorax united, 



