600 STATE BOARD OF AGRICULTURE. 



X. erythrogaster Ashm. Avalon, VI, 30 (Jn). 



X. tibialis Say. Atlantic Co., New Brunswick, IV, 19 (Sm). 



KONOWIA Brauns. 

 K. attenuata Nort. *' New Jersey " (Cress). 



Family LXXXIII CEPHIDiE. 



These are loose jointed slender saw-flies of rather soft texture, with long, 

 slender, peculiarly jointed antennae. The ovipositor is a little produced and the 

 larvae live in the stems of plants and the tender growth of trees and shrubs. 



ARIDUS Konow. 



A. trimaculatus Say. Lahaway, VI, 29, Hammonton, IX (Sm), New Jersey, 

 V, 18 (U S N M). The larva bores in the stems of blackberry canes, 

 entering near the bottom and eating out the center to the tip. 



JANUS Steph. 

 J. flaviventris Fitch. Long Island (Ashm). 



ASTATUS Panz. 



A. pygrnaeus Linn. The "wheat-stem boier," an introduced insect which 

 has done considerable injury in New York, but has not yet been actually 

 found in New Jersey. It may be expected to occur in the northern 

 counties. 



CALAMENTA Konow. 



C. johnsoni Ashm. Riverton, V, 29 (Jn). 



CEPHUS Latr. 



C. abbreviatus Say. Pennsylvania (Cress). 

 C. integer Nort. Canada to New York (Cress). 



Super-family X TENTHREDINOIDEA. 



These are the saw-flies, in which the ovipositor of the female is modified into 

 a pair of plates variably serrated at the edges, working between a pair of 

 sheaths, which may be also grooved or toothed. They are usually rather com- 

 pactly built, but not very hard species, head, thorax and abdomen of nearly 



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