265. 

 MYRMECINA LATREILLII. 



> 



Order Hymenoptera. Fam. Formicidae Z/e«c7i. Formicarise 



Type of the Genus Myrmecina Latreillii Nob. 



Myrmecina Nobis. 



Antennce inserted in the middle of the face, remote, longer than 

 the head and thorax, geniculated, hairy ; 13-jointed, basal joint 

 short, but twice as long- as the 2nd, which is subglobose, the 

 3rd and following oblong, those beyond the 5th being rather 

 obovate-truncate, terminal joint the longest, elongate-conic (1). 

 Labrum large and exserted, coriaceous, dilated at the base, each 

 side producing a small lobe beneath ; anterior margin rounded 

 and notched, with a few bristles and ciliated (2). 

 Mandibles none, at least in the male. 



Maxillce large and dilated, terminated by a broad membranous 

 and ciliated lobe, meeting behind the mentum when at rest. 

 Palpi rather long and slender, 4-jointed, basal joint the smallest, 

 2nd and 3rd of nearly equal length, 4th long subfusiform (4), 

 Mentum subovate, truncated at the base, with an arched suture 

 towards the top. Lip none ? Palpi rather long and slender, 

 triarticulate, 1st and 2nd joints nearly of equal length, the 3rd 

 longer and subfusiform (5). 

 Head subglobose. Eyes globose. Ocelli very prominent, forming a 

 large triangle. Thorax ovate. Metathorax bidentate. Peduncle 

 biarticulate, 2nd joint the largest and globose. Abdomen ovate- 

 conic, 5-jointed, basal joint covering the greater portion of the body. 

 Wings with a trigonate stigma, the marginal cell pedicled at the 

 apex; one discoidal cell, and the apical nervures obscure. Legs rather 

 long. Thighs long, slender, dilated in the middle. Tibiae short, an- 

 terior producing a pectinated spine. Tarsi 5-jointed, basal joint as 

 long as the tibia, the remainder oblong. Claws small, Pulvilli di- 

 stinct (8, afore leg). 

 Obs. All the figures and descriptions were taken from a male. 



Latreillii Nobis. 



Smooth, shining, piceous black ; sparingly clothed with hairs. 

 Eyes black. Head and thorax with a few punctures. Antennae 

 and legs ferruginous, thighs and tibiae piceous in the middle. 

 Wings very iridescent, yellowish fuscous, stigma and nervures 

 brown. 



In the Author's Cabinet. 



