lOO YORKSHIRE HYMENOPTERA IN 1 879, 1880 AND 1 88 1. 



down to the ground and quickly bury themselves; I was much 

 interested in watching the operation (Wilson). 



L. hortorum A7.^L. c\ngu\ata Sfe/>/i. See first list, p. 27. 



X L. sylvatica (Z.) Captured amongst birch in Acomb 



Wood, 1 88 1 (Wilson). 



CEFBIJVJ. 



X Cephus pygmaeus (L.J York, 1881 : scarce, as far as my 

 observation goes (Wilson). 



Family SIRICID^. 



Sirex juvencus L. 



York Minster: see Morris' Naturalist, 1854, p. 158. 



I saw a specimen in 1880 in the possession of Mr. Firth of 

 Bradford, taken near that town (Roebuck). 



S. gigas L. 



Yorkshire: see Morris' Naturalist, 1854, p. 158. 



Masham and Leeds, 1879 (Nat, v. 78). 



Carlton near Thirsk, Sep. 22nd, 1881. 



Almondbury near Huddersfield (Rev. G. C. B. Madden in 

 Nat., Nov., 1881, vii., 66). 



Very small : Chapeltown Road, Leeds, a $ , measuring 

 exactly i inch from head to end of ovipositor: Oct. 19, 1880 

 (Roebuck, Nat., Nov. 1880, vi. 59). 



At sugar at Sandburn (W. Brest, Ent., Sep. 1880, xiii., 219). 



Leeds, 1880 (Nat, Nov. 1880, vi. 59). 



Faviily CYNIPID.F— Gallflies. 



X Cynips quercus-gemmae L. (=fecundatrix Htg.) 

 Specimens sent from Huddersfield by Mr. S. D. Bairstow 

 were returned with this name by Dr. S. C. Snellen van Vollen- 

 hoven, in 1879. 



X C. Rosae-spinosissimae Inchhald. See the Ent. AV. 

 Intell., Sep. 7, 186 1, x. 178, and Zool., 1861, xix. 7824, for Mr. 

 Inchbald's account of this insect, which is in all probability from 

 Yorkshire. 



Trans.Y.N.U., ISSO (pub. 1882). Series D 



