11 



Hydropsyche Taprobanes Hagen 4- l / i 



— mitis Hagen. 3 I. 



VI, HYMÉNOPTÈRES. 



F о r m г ci d e s. 



Formica smaragdina F. 



— mitis Smith. 



— Taprobanes Smith. 



— variegata Smith. 



— exercita Walk. $ 3 1 /, I. 



— exundans Walk, rf & 1. 



— meritans Walk, r? 5 1. 



— ingruens Walk. $ 2 { / 2 1. 



— consultans Walk. ^3 1. 



— indeflexa Walk. Q <£ 1. 



f 



Formica pyrrhocephala Motsch. 



£ Elongata, sparsim pilosa, sericeo-opaca, einer eo-fusca, 

 capite, anUnnis, tibiis tarsisque rufis, abdominis segmentis 

 subalbo-marginaiis; capite elongato, fronte subinfuscata, 

 antice inter antennas late-elevata, utrinque carinata, ocel- 

 lis minufissimis , vix distinctis, clypeo arcuato, medio ele- 

 vato, antennis corporis fere longitudine, filiformibus; tho- 

 race capite angnstiore, elongato, postice subarcitatim trun- 

 cato; squama crassa, subquaclrata; abdomine ovato, capitis 

 magnitudine; tibiis tarsisque gracilibus, his valde elongatis. 



Long. 2 4 / 2 1. — lat. cap. */, 1. 



Des environs de Colombo. 



