MYRMECINA. 77 



and the first joint of the club strongly transverse, but gradually increasing 

 in length and breadth, the first funicular joint being a little longer and 

 broader than those immediately following. Thorax angled anteriorly, 



Fig. 57. Epinoturn and pedicel of Myrmecina graminicola *j5. 



strongly rugose longitudinally. Gaster black with apex reddish. Long, 

 3-3-6 mm. 



$ Very like the ^ but larger, and often with more red about the body. Wings 

 blackish and pilose. Long, 4-4-2 mm. 



cJ Black, smooth and shining, hairy. Head triangularly raised between 

 the eyes ; eyes and ocelli large. Wings as in the , but somewhat more 

 pilose. Petiole and post-petiole somewhat crenate at the base. Legs long, 

 pitchy, with the femora dilated in the middle. Long, 3-4-4 mm. 



Ovum : roundish, a little longer than broad, and white. 



Larva : mandibles thin and pointed, reddish ; head long and narrow, 

 bent over with the three thoracic somites, and the first abdominal, posteriorly 

 towards the ventral surface ; the mesothoracic somite is prominent, pro- 

 jecting more forward than the other two somites. Abdomen pyriform, the 

 first somite very prominent. The whole body is clothed with long thin 

 curved hairs, mixed with shorter ones ; when young the larva is white, and 

 the somites are not well defined posteriorly, but the full grown larva is dis- 

 tinctly yellowish and all the somites are distinct. 



Pupa yellow, becoming the colour of the adult before emergence. 



Original description of Formica graminicola Latreille. $ [Hist. 

 Nat. Fourmis 256 (1802)] : 



" Le male ressemble aussi, pour le port, a celui de la fourmi rouge. II 

 est noir, luisant, pubescent. Les antennes sont d'un brun roussatre clair 

 avec le premier article noiratre. La bouche est plus pale. Le corcelet a 

 deux petits tubercules aigus a son extremite posterieure. Les pattes sont 

 d'un brun clair, avec les cuisses et les jambes un peu plus foncees. Les 

 ailes sont entierement noiratres, avec les nervures noires." 



Original description of Myrmecina latreillii Curtis. $ [Brit. Ent. 

 6 265 (1829)] :- 



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

 black. Head and thorax with a few punctures. Antennae and legs ferrugin- 

 ous, thighs and tibiae piceous in the middle. Wings very iridescent, yellowish 

 fuscous, stigma and nervures brown." 



Original description of Myrmecina latreillii Curtis. $ [Trans. 

 Linn. Soc. Lond. 21 219 (1854)] : 



" Female black : head suborbicular-quadrate irregularly striated, clypeus 

 bidentate ; eyes and ocelli minute, mouth ferruginous : mandibles large 

 and prominent with many minute teeth ; neck distinct, ferruginous : antennae 

 remote, not long, stoutish, geniculated, 12- jointed and clavate, scape long, 

 second joint cup-shaped, seven following transverse, the third being very 

 short, the ninth much longer, the remainder forming a club, the apical joint 

 being long and conical. Thorax not so large as the head, obovate, hollowed 

 and striated before ; the scutel, which is smooth, has the suture at the base 



