HYMENOPTERA OF THE EAST RIDING OF YORKSHIRE. 28 1 

 1888. N. F. DOBREE. 



Sirex juvencus [ = S. noctilio] at Hull. 

 Nat., Feb. 1888, p. 51. 



1 89 1. W. Hewett. 

 Sirex juvencus [ = S. noctilio] near York. 

 Ent., Oct. 1 891, p. 248. 



1893. H. H. Slater. 

 Sirex gigas and .... in Holderness. 



Z00L, Feb. 1893, p. 76. 

 1896. B. B. Haworth-Booth. 

 Sirex gigas near Hull. 



Nat., Feb. 1896, p. 34. 



1896. B. B. Haworth-Booth. 

 Plague of Wasps near Hull in 1893 [species not statedj. 

 Nat., Feb. 1896, p. 34. 



1896. Henry B. Wilson. 



Sirex gigas [at Bridlington] and S. juvencus. 



Nat. , March 1 896, p. 90. 



1897. G. C. BlGNELL. 



Mesochorus tetricus, Holmg., [also Apanteles octonarius] bred 

 in England [at Skipwith]. 



Ent. Mo. Mag., Nov. 1S97, p. 257. 



1900. James R. Lowther. 

 Hornet [Vespa crabro] at Beverley. 

 Nat., March 1900, p. So. 



1900. J. R. Lowther. 



Sirex gigas [and S. juvencus = S. noctilio] at Beverley. 

 Nat, Nov. 1900, p. 336. 



1901. F. Boyes. 



Wasps [at Beverley ; species not stated]. 

 Field, 17th Aug. 1901, p. 303. 



1902. E. Maule Cole. 



Sirex gigas at Wetwang-on-the-Wolds. 



Nat., Oct. 1902, p. 314. 



