2. TRICHIOSOITA. 



9 



Trichiosorna sylvaticum, Leach, Zool. Misc. iii. p. 108 (1817). 

 Trichiosoma latreillii, Leach, I. c. p. 110 (1817). 

 Trichiosonia unidentatum, Leach, I. c. p. Ill (1817). 

 Trichiosoma pusillum et biverrucatum, Steph. III. Brit. Ent., Haust. 



vii. p. 11 (1835). 

 Tenthredo vitelline, Don. Brit. Ins. iii. pi. 88. f. 3 (1794). 

 Cimbex lucorum, Zadd. Schrift. Konigsb. iii. p. 257 (1862) ; Vollenh. 



Tijdschr. Ent. xi. p. 197, pi. viii. (1868). 



Hab. Europe. 



a-h. $ § . Britain. 



I, m. c? . Britain. 



n. 2 • (Type of T. pusillum.) Near London. 



o. 2 • (Type of T. sylvaticum.) Near London. 



p. 2 • (Type of T. unidentatum.) Darenth Wood. 



q. $ . Darenth Wood. 



r, s. S 2 • « Coombe Wood. 



t. 3 . (Type of T. biver-rucatum.) Teignmouth. 



u-y. S 2 • Perthshire. 



z. Pupa-case. Britain. 



aa. $ . (Type of T. latreillii.) France ? 



bb. S. Italy. 



cc. 2- Ital J- 



dd-ff. $ . Europe. 



J. F. Stephens. 



J. F. Stephens. 

 W. E. Leach. 

 W. E. Leach. 



J. F. Stephens. 

 Mr. Foxcroft. 



W. E. Leach. 

 Siguor Passerini. 



2. Trichiosoma betuleti. 



Cimbex betuleti, Klug, Jahresb. d. Insectenkunde, p. 225 (1834) ; 



Vollenh. Tijdschr. Ent. ii. p. 64, pi. iii. (1858). 

 Trichiosoma tibiale, Steph. III. Brit. Ent., Mand. vii. p. 10 (1835). 

 Cimbex cratsegi, Zadd. Schrift. Konigsb. iii. p. 263 (1863). 



Hab. Northern and Central Europe. 



a-d. 2 • (Types of T. tibiale.) Britain. J. F. Stephens. 



e. 2 ' Britain. 



/. 2 • Germany. Herr J. F. Kuthe. 



3. Trichiosoma scalesii. 



(Plate I. fig. 8.) 



Trichiosoma scalesii, Leach, Zool. Misc. iii. p. Ill (1827). 

 Tiichiosoma sorbi, Hort. Stett. ent. Zeit. i. p. 19 (1840). 

 Cimbex sorbi, Zadd. Schrift. Konigsb. iii. p. 261. pi. ii. fio- s . 8-10 

 (1863). 



Exp. al. 1 poll. 1 lin. ad 1 poll. 9 lin., long. corp. 6-10 lin. 



Black, sides of thorax and base of abdomen clothed with greyish 

 hairs, but the upper part of the head and thorax much less so than 

 in T. lucorum. Abdomen with short depressed pubescence above, 

 and always more or less reddish below, especially in the males, in 

 which the apex above is also reddish. Femora steel-blue ; tibise and 

 tarsi testaceous. Wings generally more of a smokv yellow than 



