CATALOGUE OF INSECTS. 



569 



Tribe III Hemitelini. 



SYNECHES Forst. 



S. thyridopterygis Riley. 

 Parasite on Thyridop- 

 teryx ephemeraformis, 

 the common bag worm, 

 throughout the State. 



ACROLYTA Forst. 



b ' o 



A. Smerinthi Ashm. Bred F 'g- 270.— Bag-worm parasite, Syneches thyridopterygis ; a, 

 c o .■ ji.,„ „„.„„■ male; b, female ; c, cut through bag to show the 



from Smerintnus go)ii- 

 nattts (Sm). 



cocoons of the parasite : all enlarged. 



ACNOPLIX Forst. 



A. betulaecola Ashm. Jamesburg (Sm). 



A. ruficornis Ashm. Long Island (Ashm). 



BATHYTHRIX Forst. 



B. meteori How. New York (Ashm). 



ISODROMAS Forst. 

 I. aletiae Ashm. Parasitic on Apanteles, New York (Ashm). 



HEMITELES Grav. 



H. tenellus Say. Long Island (Ashm). 



H. utilis Norton. Jamesburg, parasite on Anisota senatoria (Sm). 



Tribe IV Pezomacbini. 



APTESIS Forst. 

 A. micropterus Say. Pennsylvania (Cress). 



PEZOMACHUS Grav. 



P. dimidiatus Cress. New York (Ashm). 



P. gentilis Cress. Pennsylvania (Cress). 



P. gracilis Cress. Pennsylvania (Cress). 



P. macer Cress. Pennsylvania (Cress). 



P. meabilis Cress. Staten Island (Ds). 



P. obscurus Cress. Recorded from New Jersey. 



P. unicolor Cress. Massachusetts, Delaware (Cress). 



P. tantillus Cress. Rivertou, V, 17 (Jn). 



