YORKSHIRE HYMENOPTERA IN 1879, 1880 AND 1881. 99 



CI MB I cm A. 

 Cimbex sylvarum Fab. See first list, p. 28. 

 [C. maculatus : vide p. 27]. 



Trichiosoma betuleti (KI.) Storthes Hall, Huddersfield, 

 cocoons found in March, 1879, sent to me by Mr. S. L. Mosley 

 (Roebuck). 



Bishop Wood (Naturalist, June, 1880, v. 173). 



Abounds in the larva state on the hawthorn hedges round 

 York (Wilson, Ent, p. 88). 



Abia sericea (L.) See first list, p. 29. 



The larvae of this species were found by Mr. G. T. Porritt, 

 F.L.S., feeding plentifully on Scabiosa in an old rough field 

 adjoining Lepton Great Wood, Huddersfield, on the 28th of 

 July, 1882. They were determined by Mr. P. Cameron. 



Zaraea fasciata (L.) See first list, p. 29. 



HYLOTOMINA. 



Hylotoma fuscipes i^<?//.=violacea KI. See first 

 list, p. 29. 



X H.UStulatafZ.y) York,one beaten out ofoak,i88i (Wilson). 



L YDINA. 



X Lyda flaviventris (^i?6'fe.y)==clypeata KI. 



Mr. Thomas Wilson "was fortunate in obtaining a specimen 

 of this species during the summer of 1879, amongst young currant 

 trees" near York (Ent., p. 90). 



In 1881 I met with this insect again in the perfect state (two 

 examples) and I am happy to say that I have met with it in the 

 larval state. During August I found several of the webs of this 

 larva; they reminded me of those of the Small Eggar ( Eiiogaster 

 lanestris) although they were different from that species in colour, 

 having a faded orange appearance. The larvse themselves are 

 orange with darker longitudinal lines until the last moult, when 

 the dark lines disappear. At this stage of their existence, if the 

 web is in any wise disturbed the larvae wriggle out, let themselves 



