308 TENTHREuINID.E. 



nervures and yellow costa and stigma ; an irregular cloud towards 

 the tips of the rather long fore wings. 



Hah. China. 



«. 2 • I /"T. ^ Shanghai. R. Fortune. 



b. 2 ■ \ C ypeS,; Hong Kong. J. C. Bowring, Esq. 



B. North- American Species. 

 107. Tenthredo grandis. 



Allantus grandis, Nort. Bost. Journ. vii. p. 239, n. 7 (1860). 

 Tenthredo grandis, Nort. Proc. Bost. Soc. ix. p. 121 (1862); id. Trans. 

 Amer. Ent. Soc. ii. p. 227 (1868). 



Hub. North America. 



a. 



$ . United States. 



108. Tenthredo antennata. 

 (Plate XII. fig. 1.) 



Exp. al. 1 poll., long. corp. 6 lin. 



Black ; abdomen blue-black ; four last joints of the antennas, 

 labrum, base of mandibles, cenchri, and a spot on each side of the 

 basal segment of the abdomen yellowish ; the four anterior tibiae 

 and tarsi dull testaceous. Wings hyaline and iridescent, clouded 

 beyond the middle, with piceous nervures. One specimen has a red 

 spot in the middle of the thorax. 



a, b. £. (Types.) Nova Scotia. Lieut. Redman. 



109. Tenthredo nigricollis. 

 (Plate XII. fig. 3.) 



Exp. al. 10 lin., long. corp. 5 lin. 



Black ; antennas pale yellow beyond joint 5 (two last joints broken 

 off); mouth and two spots above the posterior coxae pale yellow; 

 four anterior tibiae, tarsi, and tips of femora testaceous. Wings 

 yellowish hyaline, with brown nervures and black stigma. 



May be distinguished from T. grandis and T. antennata by the 

 collar not being yellow. 



a. $. (TyP es Newfoundland*. 



110. Tenthredo melina. 



Allantus mellinus, Nort. Bost. Journ. vii. p. 24 (1860). 

 Tenthredo mellinus, Nort. Proc. Bost. Soc. ix. p. 121 (1862); id. 

 Trans. Amer. Ent. Soc. ii.p. 227 (1868). 



Hub. North America. 



* " Captured in April " (MS. note). 



