HYMENOPTERA. 123 



colour as the workers, yellow with the apical portion of the ab- 

 domen dusky or black, the thorax being elongate-ovate, not 

 narrowed behind; the male is a minute black insect with colour- 

 less wings, the neuration being scarcely perceptible. 



The Myrmica molesta of Say, I consider identical with our 

 insect, specimens from the United States having been carefully 

 compared ; it is described as being equally abundant and annoy- 

 ing in houses in that country, and is probably now of almost uni- 

 versal occurrence, like other insects which attach themselves to 

 the habitations of man : South America is its native countiy. 



Subdivision 7. 

 Maxillary palpi 2-jointed, labial palpi 2-jointed. — Sp. 36. 



(Genus Monomarium, Mayr.) 



36. Myrmica minuta. 



Monomarium minutum, Mayr. Form. Austr. 180. "J. 

 Hab. Lombardy. 



Species of India ; Singapore ; Ceylon j Malacca ; 

 Borneo. — Sp. 37-48. 



37. Myrmica vastator. B.M. 



Worker. Length f-1 line. — Pale ferruginous : the abdomen 

 black, with about one-third at tlie base pale, entirely smooth and 

 shining ; the head wider than the tliorax or abdomen, oblong, 

 slightly emarginate behind; the eyes minute, the club of the 

 antennae three-jointed. Thorax deeply strangulated in the 

 middle, the metathorax without spines. Abdomen ovate, trun- 

 cate at the base, entirely destitute of pubescence. 



Hab. India. (Coll. Major-General Ilardwick.) 



A number of these ants were found in the cocoon of an Indian 

 moth. 



38. Myrmica humilis. 



Female. Length 1} line. — Head, antennas thorax, legs, and 

 nodes of the abdomen, reddish-yellow and subopake ; the eyes 

 and abdomen black ; wings hyaline and brilliantly iridescent ; the 

 first node of the peduncle clavate, the second much wider than 

 the first and globose, the metathorax armed with two short acute 

 spines. 



Hab. India (Bombay). (Coll. East India House.) 



G 2 



