A HISTORY OF NORFOLK Tenthredinid^ {continued) Cladius pectinicornis, Fourc. Common, usually in gardens — rufipes, Sep. One at Eaton in August, 1881 — eradiatus, Htg. Norwich ; April to June ; also bred from perfor- ated bramble sticks collected in winter — drewseni, Thom. Norwich ; May, June, scarce — padi, Linn. Very abundant Croesus latipes, Villaret. Lynn ; taken by Mr. Atmore in May, 1887 — septentrionalis, Linn. Downham ; Mr. Norgate Nematus flilvipes. Fall. Brundall ; July, August — hibernicus, Cam. Two specimens at Norwich and one at Lynn — crassicornis, Htg. Norwich; May to July — appendiculatus, Htg. Norwich ; two females only — caeruleocarpus, Hgt. Eaton ; two males in June — lucidus, Panz. Norwich, Sparham ; May, June — capreae, Panz. Common — obductus, Htg. Norwich, Brundall; end of May to July — leucogaster, Htg. Norwich, Brundall, Felthorpe ; July, August — curtispina, Thom. Heigham ; one, in June — viridescens. Cam. — glutinosae. Cam. Lynn ; one male, by Mr. Atmore in June — miliaris, Panz. Common on willows — tibialis, Newm. A single female taken many years ago — myosotidis. Fab. Common ; June to August — abdominalis, Panz. A single specimen taken in Heigham Osier Car — ruficapillus, Gmel. Very common — ribesii. Scop. Very common on goose- berry bushes — albipennis, Htg. Norwich, Brundall, Felthorpe — xanthogaster, Foer. Norwich, Brun- dall ; April to August, common — leucostictus, Htg. Brundall, Lynn ; May, June — gallicola. West. Female abundant on willows, the male is very rare — bridgemanii. Cam. Brundall ; from galls on sallow Cimbex sylvarum. Fab. Stephens says that it has been taken in Norfolk 98 Tenthredinid.^ [continued) Trichiosoma lucorum, Linn. Sparham ; taken by Mr. Norgate — betuleti, Klug. Norwich ; common on whitethorn hedges Abia sericea. Leach. Brundall, on flowers of scabious ; Dilham, on alder Hylotoma ustulata, Linn. Eaton, Cringle- ford, Brundall ; May, not uncommon — atrata, Foer. Sparham ; one female taken by Mr. Norgate — melanochroa, Gmel. Eaton ; June, twice captured — cyanocrocea, Foer. Norwich ; common — rosae, Linn. Generally distributed Lyda sylvatica, Linn. Norwich ; two speci- mens only Xyela pusilla, Dalb. Recorded in Norfolk by Curtis Cephina pygmasus, Linn. Very common — pallipes, Klug. Felthorpe, Lynn ; July — floralis, Klug. One specimen recorded by Stephens — tabidus. Fab. Earlham ; one female specimen CHRYSIDIDiE Cleptes semiauratus, Linn. Norwich, Tar- mouth ; July, common — nitidulus. Fab. Yarmouth ; on the sand- hills Ellampus panzeri. Fab. Eaton, Mousehold ; three specimens from flowers in August, 1875 Homalus auratus, Linn. Common — caeruleus, de G. Common Hedychrum lucidulum, Fab. Eaton, Mouse- hold ; July ; in plenty at the latter locality about a mixed colony of Cerceris arenaria, C. labiata and C. ornata — ardens. Curt. Eaton ; taken sparingly in June — roseum, Rossi. Mousehold ; two speci- mens, in August Chrysis ignita, Linn. Abounds from the end of May about old posts, rails and walls — viridula, Linn. Harford Bridges ; June — cyanea, Linn. Abundant eve/ywhere — austriaca. Fab. Eaton, two specimens in June, one at Brundall aculeata Heterogyna Formica fusca, Linn. Abundant every- where — fuliginosa, Latr. Common about de- cayed trees — nigra, Linn. Abundant everywhere — flava, de Geer. Generally common