THE PINE INVESTIGATION. 429 



32. Decatomidea polygraphi A.shm.(=ecatoma sp., in Bull. 

 No. 31, W. Va. Agr. Exp. Station). Common on spruce logs in- 

 fested with Polygrapfius rufipennis near Bayard, July 12th, 

 1891. 



33. Diomorus zabriskii Cress. (?) In burrow ol Hymenop- 

 terous insect in outer bark of pine. 



34. Eupelmus cleri Ashm. Reared from 25 or 30 larvae in- 

 festing a larva of Thanasimus trifasciatus the latter found in 

 pupa cases of Arhopalus fulminans Fab., in white pine bark, 

 near Crow, April 26th, ? 93. Also bred from hemlook bark in- 

 fested with Aulacus abdominalis and Melanophila fulvoguttata 

 near Davis, Mar. 31, '91. 



35. Eurytoma cleri Ashm. Bred from pupae lound in larvae 

 mines of Pissodes stroll in scrub pine, near Charleston, April 

 30th, '93. (The name indicates that there was some error in 

 the note on this species, when sent to Mr. Ashmead.) 



36. Eurytoma tomici Ashm. Bred from larvae found in 

 pupae cases of Pityogenes plagiatus in pine bark. Tibbs Run, 

 near Dellslow, Oct. 14, '92. 



37. Eurytoma sp. f. Taken in larval mines of Polygraphus 

 ntfipennisi Cheat Bridge, Sept. 1, '90. (My accession number 

 58 in National Museum). 



38. Heydenia unica C. & D. Bred from larva taken in lar- 

 val mines of Dendroctonus frontalis near Dellslow, Nov. 7, '92, 

 from pupa found in mines of Pissodes strobi in scrub pine near 

 Charleston, April 30, '93, aud Berkeley Springs, Mar. 10, '97. 



39. fioptrocerus ecceptogastri R>&\.z.(=Lochites sp. b & e, 

 Bull. 31, W. Va. Agr. Exp. Station, 1893.) Reared from larvae 

 and pupae taken in larval mines and pupa cases of Tomicus 

 calliqraphus and T.pini in white pine bark, Moundsville, July 

 20th, '91; lomicus cacographus in yellow pine, Kanawha Sta- 

 tion, Aug. 12,'91; Tomicus caelatus in Norway spruce, Morgan- 

 town. July 13,'92; Dendroctonus frontalis in pine, Jan. '93; also 

 reared from pine twigs taken at Dellslow, Nov. 7th, '92. 



40. Roptrocerus xylophagorum R l &\,z.(=Lochites sp. a. Bull. 



