SPHJEROPHTHALMA. 337 



second segment is ferruginous ; its punctures are large and widely separated, the 

 pubescence sparse. The other ventral segments are blackish, and bear rather long 

 hair ; they are punctured towards the apex. The legs are reddish, the knees fuscous ; 

 the hair on the femora moderately long, white, and sparse, that on the tibiae still 

 sparser ; the pubescence on the tibiae is close ; the spurs are long and sharp. 



S. incognata may be a form of S. munda ; but the keel on the basal ventral segment 

 is less distinct ; there is no red mark on the vertex, and the golden pubescence on it 

 is much denser ; and the tibiae are shorter and thicker. 



( ^42. SphsBrophthalma munda. (Tab. XIV. fig. 19, $ .) 



Long. 7 millim. $ . 



Hab. Panama, Volcan de Chiriqui 3000 feet (Champion). 



Head a little wider than the thorax ; the eyes projecting, the part of the head behind 

 them obliquely narrowed, rounded at the sides, and about equalling the eyes in length ; 

 coarsely rugose, covered with silvery pubescence ; the front and oral region are 

 ferruginous, the black in the middle being triangularly incised, and there is a ferru- 

 giuous mark on the vertex ; the clypeus projects a little, its apex being transverse. 

 The mandibles ferruginous, the apical teeth black ; they are not grooved and bear long 

 pale fulvous hair. The antennae ferruginous ; the apical joints of the flagellum blackish 

 above ; the third joint about twice the length of the fourth. The thorax is rounded 

 at the base, the apex with an oblique slope ; the sides at the base are straight ; at the 

 tubercle is a small incision, from which the thorax becomes gradually and slightly 

 narrowed ; the sides of the median segment stoutly toothed. The propleurae stoutly 

 punctured ; the meso- and metapleurae smooth, shining. The basal segment of the 

 abdomen is ferruginous and covered with long hair; the two oval maculae on the 

 second segment are yellow, and attached to them are two large marks, which extend 

 to the base but not to the apex ; the other segments are covered with pale fulvous 

 hair. The first two ventral segments are ferruginous ; the basal segment is distinctly 

 keeled, the basal half of the keel being dilated ; the second segment has the punctures 

 large, the other segments have them close and minute. The legs ferruginous, slender ; 

 the hinder tibiae with three long fulvous spines. 



v 43. Sphaerophthalma chontalensis. (Tab. XIV. fig. 20, $ .) 



Long. 8 millim. $ . 



Hab. Nicaragua, Chontales (Janson). 



Very similar to S. cephalica, but differing in there being only one incision in the 

 sides of the thorax (the small one, toothed at the base and apex, being absent), the 

 base of the thorax distinctly rounded, and the base of the flagellum thinner ; on the 

 base of the second abdominal segment are two separated lines ; the two oval maculae 



biol. centr.-amee., Hymenopt., Vol. II., January 1895. 2 xx 



