226 EDWARD NORTON. 



Anfcnnse 11-articulate. slender. 



Europe. * 



Wings with four submarqinal cells. 



40. HETERAKTHRTJS, Stepliens. 

 Heterarthrus, Stephens, Brit. Ent. Maud, vii, 1835, 94. 



Westw., Mod. Class. 2, App. 54. 

 Phylloloma, Fallen, Mon. Tenth. Suec. 1829. 



Hartig, [Emphytus) ii. Die Blattw. 254. 

 Decatria ! Westw., Lardner, Cyc. 

 Tenthredo {Emph.), Klug, Fam. viii. 



Wings — Two marginal and three submarginal cells, the first and se- 

 cond each containing a recurrent uervure. The first having an incom- 

 plete cell at its base; lanceolate cell with oblique cro.ss line; under- 

 wings without any or with one middle cell. 



Antennx 12 — 15 articulate, the third nearly twice as long as the 

 fourth, remainder short. 



Europe. 



Wings loith three subtnarr/inal celh. 



41. MELICERTA. Stephens. 

 Mcliceria, Stephens, Brit. Ent. Aland, vii, 1835, 94. 



Winys — Two marginal cells, the basal one smallest, and three sub- 

 marginal oneS; the first longest, second shorter, each with a recurrent 

 nervure. 



Antennx 9-articulate, third nearly twice as long as the fiaurth. 

 Head broader than thorax, thorax somewhat globose. 

 England. 



42. EMPHYTUS. Leach. 

 Tenthredo {Emphytus), Klug, Fam. iv, Berl. Mag. 1814, Vol. viii, 284. 

 Emphytus, Leach, Zool. Misc. 



Hartig, Die Blattw. 245, Div. I. 

 Stephens, Brit. Ent. Mand, vi. 

 Dolerus, IL Jurine, &c. 



Wings short; two marginal and three submarginal cells, the first and 

 second each with a recurrent nervure; the first longest, bent, its hinder 

 corners angular and rounded; lanceolate cell contracted, and either 

 with or without oblique cross line; under wings without any middle 

 cell or with one or two. 



Antcnnse 9-jointcd, filiform, third, fourth and fifth joints of nearly 

 equal length. 



Haul transverse, eyes prominent, nasus incurved, wide; mandibles 

 short and wide, with one inner tooth; maxillary palpi long and slender, 

 first joint minute, apical joint shorter than those before it; first and 

 second joints of labial palpi shortest. 



