HYMENOPTERA. 



71. MYRMICA VIRULENS. B.M. 



Worker. Length 2 lines. Pale reddish-yellow, very smooth 

 and shining, and thinly sprinkled with erect pale hairs : the club 

 2-jointed; the vertex faintly depressed in the middle. Thorax 

 deeply strangulated in the middle, the prothorax depressed in 

 the middle. Abdomen : the first node incrassate, rounded above, 

 less elevated and smaller than the second, subglobose. 

 Hab. Brazil (Ega). 



This species is allied to M. scevissima. Mr. Bates says, " It is 

 found only in the forest : its formicarium is in the earth, under 

 vegetable debris. Its sting is still more painful than that of M. 

 scevissima" 



72. MYRMICA TRISTIS. B.M. 



Worker. Length 1 J line. Reddish-brown, opake : the eyes 

 small, black and prominent ; the flagellnm slightly fuscous with 

 the tip pale, the club 3-jointed. Thorax much narrower than the 

 head, deeply strangulated in the middle ; the metathorax with 

 two short upright spines ; the tibiae and femora slightly dusky 

 in the middle. Abdomen small and ovate ; the first node of the 

 petiole conical, the second globose. 



Hab. Rio Janeiro (Tejuca). (Coll. Rev. Hamlet Clark.) 



73. MYRMICA LYNCEA. 



Myrmica lyncea, Spin. Faun. Chili, vi. 241. 1 > . 

 Hab. Chili. 



74. MYRMICA GAYI. 



Myrmica Gayi, Spin. Faun. Chili, vi. 242. 2 . 

 Hab. Chili. 



75. MYRMICA RUSSULA. 



Myrmica russula, Nyland. Form. Fr. et d'Alger, 82. 

 Hab. St. Domingo. (Coll. Dr. Sichel, Paris.) 



Genus 2. MYRMECINA. 



Myrmecina, Curtis, Brit. Ent. vi. fol. 226. 

 Myrmica, pt., Nyland. Addit. Alt. Adno. Mon. Form. Bor. Eur. 

 40. 



Antennae 12-jointed in the female, the club consisting of 3 

 joints. Maxillary palpi 4-jointed ; labial palpi 3-jointed. An- 



