INSECTS 



Haliplus striatus, Shp. 



— lineatocoUis, Marsh. 

 Cnemidotus impressus, F. 



PELOBIIDiE 



Pelobius tardus, Hbst. Swardeston Com- 

 mon, Wretham Heath, Mousehold 

 Heath 



DYTISCIDiE 



NOTERINA 



Noterus clavicornis, De G. 



— sparsus, Marsh. 

 Laccophilina 



Laccophilus interruptus, Panz. 



— obscurus, Panz. 

 Hydroporina 



Bidessus unistriatus, Schr. Hickling ; 

 Waxham (Champion) 



— geminus, F. Brandon 

 Hyphydrus ovatus, L. 

 Coelambus versicolor, Schall. 



— inaequalis, F. 



— decoratus, Gyll. Horning, Brandon ; 



Waxham (Champion) 



— confluens, F. Mousehold Heath, Wey- 



bourne 



— parallelogrammus, Ahr. Cley, Mouse- 



hold Heath ; Waxham (Champion) 



— impressopunctatus, Sch. Brandon ; 



Waxham (Champion) 

 Deronectes assimilis, Payk. Colney ; Ayl- 

 sham (Wood) ; Waxham (Champion) 



— depressus, F. 



— 1 2-pustulatus, F. Colney ; Stalham 



(Wood) ; Waxham (Champion) 

 Hydroporus pictus, F. 



— granularis, L. Horning ; Waxham 



(Champion) 



— lepidus, Ol. 



— davisii. Curt. Harleston district (Fox) 



— halensis, F. Horning (Clark) ; Brundall 



(Sharp and Crotch) 



— dorsalis, F. 



— lineatus, F. 



— scalesianus, Steph. Norfolk (Scales fide 



Stephens) 



— neglectus, Schaum. Stratton Strawless, 



1875 



— umbrosus, Gyll. 



— angustatus, Sturm. 



— gyllenhali, Schiod. 



— vittula, Er. 



— palustris, L. 



— incognitis, Shp. Jrminghall 



— erythrocephalus, L. 



— rufifrons, Duft. Brandon 



Hydroporina {continued) 



Hydroporus memnonius, Nic. 



— obscurus, Sturm. St. Faiths ; 



Waxham (Champion) 



— nigrita, F. Brooke; Waxham (Cham- 



pion) 



— pubescens, Gyll. 



— planus, F. 



— lituratus, F. 



— ferrugineus, Steph. Horning 



— oblongus, Steph. Brandon ; Horning 



(Fowler) 

 Dytiscina 



Agabus paludosus, F. Eaton Common ; Ayl- 

 sham (Wood) 



— uliginosus, L. Horning, March 5, 



1 840 (Brown) ; Yarmouth (Paget) 



— unguicularis, Thoms. Brandon ; Horn- 



ing (Brown) ; Waxham (Champion) 



— didymus, Ol. Mousehold Heath (Thou- 



less) ; Aylsham (Wood) 



— congener, Payk. Norfolk (Stephens) 



— nebulosus, Forst. 



— conspersus. Marsh. Cley (Thouless) ; 



Waxham (Champion) 



— striolatus, Gyll. Horning, March, 



1839 and 1840 (Brown) ; not re- 

 corded as occurring elsewhere in 

 Britain 



— femoralis, Payk. Wretham Heath 



— abbreviatus, F. Norfolk (Stephens) 



— sturmii, Gyll. 



— chalconotus, Panz. 



— bipustulatus, L. 

 Platambus maculatus, L. 

 Ilybius fuliginosus, F. 



— fenestratus, F. 



— ater, De G. 



— obscurus, Marsh. 



— guttiger, Gyll. Horning, St. Faiths 



— subaeneus, Er. Brandon, Wretham 



Heath ; St. Faiths (Thouless) 



— aenescens, Thoms. St. Faiths 

 Copelatus agilis, F. 



Rhantus grapei, Gyll. 



— exoletus, Forst. 



— pulverosus, Steph. 



— notatus. Berg. 



— bistriatus. Berg. 



— adspersus, F. Norfolk (Stephens) 

 Colymbetes fuscus, L. 



Dytiscus punctulatus, F. 



— marginalis, L. 



— circumflexus, F. Tarmouth (Paget) ; 



Burgh Castle (Thouless) 



— dimidiatus. Berg. Tarmouth (Paget) 

 Hydaticus transversalis. Berg. Lakenham, 



Sept. 13, 1898 

 Acilius sulcatus, L. 



117 



