108 HYMENOPTERA, 



9. PACHYCONDYLA PUNCTATA. B.M, 



Worker. Length 3J lines. Black : the antennae, mandibles, 

 margins of the carinae between the antennae, the legs and apex of 

 the abdomen, ferruginous ; the head, thorax, node of the peduncle, 

 find first segment of the abdomen with deep scattered punctures ; 

 the insect covered with grey pile ; the metathorax truncate, the 

 truncation slightly concave ; the node of the peduncle incrassate, 

 elevated to the same height as the first segment, elongated, and 

 forming as it were a basal segment ; the apical margin of the 

 first segment ferruginous. 



Male. About the same size as the worker, which it greatly 

 resembles, differing in the usual sexual distinctions of a smaller 

 head, larger eyes ; the ocelli very bright and glassy ; the wings 

 subhyaline, the nervures testaceous, the stigma fuscous. 

 Hab. St. Domingo. 



10. PACHYCONDYLA MONTEZUMIA. B.M. 



Female. Length 4 lines. Black : the head a little wider than 

 the thorax, emarginate behind, with the lateral angles rounded 

 and longitudinally rugose, rather finely so ; the mandibles, an- 

 terior margin of the head, the csmnae between the antennae, the 

 base and apex of the scape, and also the tip of the flagellum, 

 ferruginous. Thorax oblong- ovate ; the metathorax obliquely 

 truncate, the truncation transversely striated ; the disk of the 

 thorax longitudinally and finely rugose, the prothorax transversely 

 so ; the wings fusco-hyaline, the nervures testaceous ; the tibia; 

 and tarsi obscurely fusco-ferruginous. Abdomen oblong-ovate, 

 thinly covered with a yellowish downy pile intermixed with a few 

 long hairs, particularly at the apex ; the node of the peduncle 

 incrassate, of equal thickness at the base and apex, the superior 

 margin rounded and elevated to the same height as the first 

 segment. 



Male. Length 3 lines. Differs from the female in the usual 

 characteristics of a smaller head and more elongate abdomen, but 

 in other respects has a close resemblance to the other sex ; the 

 node of the peduncle is incrassate, and elevated to the same 

 height as the first segment, but is widest at its base ; the tibiae and 

 tarsi are pale rufo-testaceous as well as the mandibles and palpi. 



Hab. Mexico. 



Genus 8. AMBLYOPONE. 



Amblyopone, Erichs. Wiegm. Archiv (1842), p. 260. 



Female. Head subquadrate; antennae 12-jointed, the scape 



