A HISTORY OF NORFOLK IcHNEUMONIDi€ {continued) Acrodactyla degener, Hal. Norwich, Brun- dall Clistopyga incitator, Fab. Norwich — rufata, Holm. Brundall ; only one female Glypta monoceros, Gr. Brundall — ceratites, Gr. Generally common ; reared from larvae of Phycis betulse by Mr. Atmore — vulnerator, Gr. Mousehold, Lynn ; reared from larvae of Catoptria scopo- liana by Mr. Atmore — hasitator, Gr. Mousehold, Lynn — teres, Gr. Norwich — mensurator, Fab. Eaton — incisa, Gr. Earlham, Lynn ; reared from larvae of Penthina picana by Mr. Atmore — bifoveolata, Gr. Generally common — resinanas, Retz. Lynn ; reared from larvae of Retinia turionella — flavolineata, Gr. Eaton, Brundall — flavipes, Desv. Lynn ; parasitic on larvae of Tortrices — trochanterata, Bridg. Mousehold ; zhovX heath, June — pictipes, Tasch. Earlham, Lynn — genalis, Moll. Lynn ; reared by Mr. Atmore from larvae of various Tor- trices Lycorina triangulifera, Holm. Lynn, one male taken in May, 1887, by Mr. Atmore ; very rare Schizopyga circulator, Panz. Not un- common Lampronota nigra, Gr. Bawsey Heath, Lynn — caligata, Gr. Lynn, Earlham IcHNEUMONiDiE {continued) Lissonota variabilis, Gr. Lynn ; reared from larvae of Penthina picana — paralleia, Gr. Earlham — bellator, Gr. Generally very common — commixa, Holm. Generally distributed — cylindrator, Vill. Common everywhere — insignita, Gr. Eaton — sulphurifera, Gr. Generally common — femorata. Holm. Earlham, Brundall — linearis, Gr. Momebold — leptogaster. Holm. Norwich, Strump- shaw ; common in autumn — carbonaria. Holm. Lynn ; reared from Retinia turionella — transversa, Bridg. Earlham — unicincta. Holm. Brundall, Eaton, Earlham — errabunda. Holm. Brundall — vicina. Holm. Earlham — dubia, Holm. Lynn Meniscus setosus, Fourc. Sparham — agnatus, Gr. Earlham — impressor, Gr. Generally common — suborbitalis, Gr. Brundall, Mousehold Phytodietus segmentator, Gr. Norwich, Lynn, Wroxham — coryphsus Gr. | g^„„^„ — obscurus, Uesv. J •' Cryptopimpla blanda, Gr. Earlham^ Buckenham Ferry CEdimopsis scabriculus, Gr. Moderately common Stilbops vetula, Gr. Earlham ; May Zygonomus pilicornis, Gr. Earlham — securicornis, Holm. Earlham Apanteles stauropodis, Marshall. Norwich ; reared from a larva of Stauropus fagi common COLEOPTERA Notwithstanding the fact that some eighteen hundred different kinds of beetles are known to occur in this county, not one per cent, of that number are at all likely to attract the attention of the non-entomo- logical observer. In the house, Blaps mucronata, a dull black insect about an inch long, of slow movement and unpleasant odour, with its body drawn out into a short point behind, shares with the cockroaches {Blattida) the name of ' black-beetle.' The ' ladybirds ' {Coccinellidce), of which we have fifteen different kinds in Norfolk, are deserving of mention from the fact that they are largely instrumental in counteracting the ill effects to vegetation arising from the extraordinary fecundity of the plant-lice {^Aphides) ; in their larval as well as their adult state they feed upon the latter insects, and as they are generally found in the largest numbers where the supply of food is greatest, they not no
