MYRMICA MOLESTA. 



the head finely punctured ; the anterior margin of the clypeus 

 bidentate. Thorax subovate; wings clear hyaline, the stigma 

 pale brown. 



Worker, Length ?-l line. — Pale yellow, with the head and 

 disk of tlic thorax rather darker; the abdomen with an obscure 

 fuscous fascia; the club of the antennae 2-jointed. Thorax 

 slightly strangulated between the meso- and metathorax, the 

 latter oblique, not spined ; the first node of the petiole oblong, 

 somewhat pear-shaped, the second globose ; abdomen ovate, 

 smooth and shining. 



Male. Length 2 lines. — Shining black and slightly pilose ; the 

 antenna: and the legs fuscous; the mandibles and tarsi pale 

 testaceous. 



Tins species is very local ; the only places where it has been 

 taken, to my knowledge, are Southend and Deal. It appears to 

 prefer trodden pathways to burrow in. The sexes are to be 

 found in the nests in the month of September. 



13. Myraiica (Diplorhoptrnm) molesta. 

 i'fptnina. — Pallide testacea; thoracis macula antica, scutello ab- 



domineque fusco-nigris, basi solum pallido ; clava flagelli tri- 



articidata; metathorace mutico. 

 Operaria. — Pallide .flavo-testacea, laevis, opaca; abdomine ni- 



tido, apice fuscescente ; metathorace mutico. 

 Mas. — Fusco-niger, nitidus ; antennis pedibusque pallide testa- 



ceis, antennis 13-articulatis ; alis albo-hyalinis. 



Myrraica molesta, Say, Bost. Journ. Nat. Hist. i. 293. 6 (1834). 

 Myrmica domestica, Shuck. Mag. Nat. Hist. p. 628 (1838). 



Daniells, Proe. Linn. Soc. ii. 172. 



Smith, Brit. Form. p. 130. 14. 



Curtis, Trans. Linn. Soc. xxi. 217. 13. 



Nyl. Form. Fr. et d'Alyer. 98. 26. 



Female. Length 1| line. — Pale rufo-testaceous ; the antennae 

 1 2-jointed; a minute black stain behind the anterior ocellus, 

 and another within each of the posterior ones. Thorax elon- 

 gate-ovate ; a slight longitudinal stain on the raesothorax ante- 

 riorly, and a smaller one on the sides ; the posterior margin of 

 the scutellum fuscous. Abdomen dark fuscous, with the base 

 pale rufo-testaceous ; the apical margins of the following seg- 

 ments narrowly testaceous. 



Wcrrker. Length f line. — Pale reddish yellow, naked, smooth 



