40 i Febniary, 



be examined from time to time for anytlaing tliat may be hatched 

 from them. The cyanide kills all imagines, no matter of what Order, 

 but it seems not to effect the larvae. 



Vesj)a germanica and V. vulgaris were fairly abundant this year 

 (1890), but not so numerous as last j'^ear ; the majority of their nests, 

 however, were exceptionally large. One nest of V. germanica mea- 

 sured 15| inches in diameter, and weighed 11| lbs. 



The following is a list of the species taken : — 



tCEUSTACEA. 

 Porcellio scaber, Latr.— turns up in almost every nest. 



ACARIDA. 



Uropoda elongata, Halid;iy. — new to us ; seven attached to Homalomyia cani- 

 cularis bred from a nest of V. germanica, Ince, Cheshire, October, 1889. Nymphal 

 forms only. 



Olyciphagus spinipes. — swarmed in nest of F. ffermanica, October, 1890, 

 Chester " Cop." 



Some nests of V. germanica simply swarmed with a species of Tyroglyphns, 

 August to October, 1889, Cheshire and Colwyn Bay. 



COLEOPTEEA. 

 fLeistus rufescens, F. — one specimen from nest of V. vulgaris, Nant-y-glyn, 

 Colwyn Bay, August, 1889. 



fPterostichus vulgaris, L. — one specimen in nest of 7'. vulgaris, Colwyn Bay, 

 August, 1889 ; one in nest of V. germanica, Chester " Cop," August, 1890. 



\Bradycellus verhasci, Duft.— three specimens in a single nest of V. vulgaris, 

 Nant-y-glyn, Colwyn Bay, August, 1889. 



fCholeva tristis, Panz. — two specimens in nest of V. germanica, Ince, Cheshire, 

 October 10th, 1890 ; nest nearly deserted. 



fHomalota succicola. Thorns. — three specimens in nest of V. vulgaris, Nant-y- 

 glyn, Colwyn Bay, August, 1889. 



Quedius puticticollis, Thorns. — three specimens in nest of V. ger}nanica,Oclohev 

 10th, 1889 ; larva; abundant in same nest. A few of these produced imagines the 

 following April. 



EpurcBa ohsoleta, F. — three specimens in nest of V. germanica, Colwyn Bay, 

 August, 1890. 



Cryptophagus puhescens, Sturm. — abundant in many nests of V. germanica and 

 vulgaris, Colwyn Bay, and Ince, Cheshire, August, 1889, to April, 1890. C. setu- 

 losus, Sturm.— common in nests of V. vulgaris, Colwyn Bay, August, 1889 ; sparingly 

 at Ince, Clieshire. 



Metaecus paradoxus, L. — several in a single nest of F. vulgaris, Manley, 

 Cheshire, August, 1889 ; these were taken by Mr. A. J. Nixon. 



*Thyamis lurida. Scop.— one in nest of V. germanica, Colwyn Bay, August, 



1889. 



HYMENOPTEEA. 



Aspilota concinna, Ual.— in a single nest of V. vulgaris, Nant-y-glyn, Colwyn 



Bay, October, 1889. 



