A HISTORY OF WARWICKSHIRE 



HELOPHORINA (continued) 



Helophorus aeneipennis, Thorns. In damp 

 places ; all localities 



brevipalpis, Bedel. Margins of brooks, 



etc. ; abundant 

 Hydrochus angustatus, Germ. Margins 



of streams and ponds. Knowle 

 Ochthebius margipallens, Latr. Margins 



of ponds and streams. Sutton Park 



(Blatch), Knowle 



poweri, Rye. Ponds. Knowle 



pygmaeus, F. Margins of ponds and 



in bogs. Knowle 



bicolon, Germ. Ponds and ditches, 



and in moss. Knowle 



rufimarginatus, Steph. In flood refuse ; 



rare. Knowle 



Hydrasna riparia, Kug. Marshy places ; 

 margins of ponds, etc. Knowle 



nigrita, Germ. In running water and 



marshy places. Knowle 



angustata, Sturm. Amongst herbage 



on margins of streams. Knowle 



pulchella, Germ. In running water ; 



rare. River Blythe near Knowle 

 SPH^RIDIINA 



Cyclonotum orbiculare, F. Banks of 

 streams, ponds and ditches ; all 

 localities 



Sphaeridiium scarabaeoides, F. In dung, 

 moss, roots of grass, etc. ; abun- 

 dant everywhere 



bipustulatum, F. Found with pre- 



ceding, but less abundantly 



bipustulatum var. marginatum, F. In 



dung, moss, etc. ; all localities 



bipustulatum var. semistriatum, Cast. 



Found with the preceding but scarcer 

 Cercyon 1 haemorrhous, Gyll. At roots of 

 grass, in moss, flood refuse, dead 

 leaves and dung ; all localities 



hasmorrhoidalis, Herbst. Found with 



preceding. The late Mr. Blatch 

 also found this species in nest of 

 Formica rufa at Bewdley (Worcester- 

 shire) 



obsoletus, Gyll. Small Heath (Blatch), 



Knowle 



flavipes, F. Small Heath (Blatch), Knowle 



lateralis, Marsh. All localities 



melanocephalus, L. Abundant every- 



where 



unipunctatus, L. All localities 



quisquilius, L. Knowle 



nigriceps, Marsh. Edgbaston (Blatch), 



Knowle 



pygmaeus, 111. Knowle 



Gyrinus natator, Scop. Ponds, ditches 

 and brooks ; abundant everywhere 



marinus, Gyll. Ponds, streams, etc. ; 



local. Salford Priors (Blatch), Kmnvle 



opacus, Sahl. Canals and ponds. 



Leamington (Blatch), Knowle 

 Orectochilus villosus, Mall. Under sub- 

 merged stones ; margins of rivers 

 and brooks ; in winter may be dug 

 out of the banks. Alcester, Salford 

 Priors (Blatch), Knowle 



HYDROPHILID^E 



HYDROPHILINA 



Hydrobius fuscipes, L. In ponds, etc. ; 

 everywhere 



picicrus, Thorns. Ponds and ditches. 



Knowle 



Philhydrus nigricans, Zett. Ponds and 

 ditches. Knowle 



coarctatus, Gredl. Ponds, etc. Knowle 

 Anacaena globulus, Payk. In boggy and 



marshy places ; abundant everywhere 



limbata, F. Ponds and ditches ; all 



localities 



Holochares lividus, Forst. Wet places ; 

 ponds and ditches. Knowle 



Laccobius sinuatus, Mots. Banks of 

 streams and pools. Near Tarn- 

 worth (Blatch), Knowle 



alutaceus, Thorns. Damp places ; 



margins of ponds, etc. Knowle 



minutus, L. Boggy places and mar- 



gins of pools, etc. Knowle 

 - bipunctatus, F. Wet places. Knowle 

 Limnebius truncatellus, Thorns. Banks 

 of streams, canals and ponds. Soli- 

 hull (Blatch), Knowle 



papposus, Muls. Habitat same as pre- 



ceding. Knowle 



nitidus, Marsh. Margins of brooks, 



ditches and damp places. Knowle 



picinus, Marsh. Ponds and ditches ; 



rare. Knowle 

 Chastarthria seminulum, Herbst. In moss 



and grass roots in marshy places. 



Solihult- (Blatch), Knowle 

 HELOPHORINA 



Helophorus nubilus, F. In wet places ; 



moss and flood refuse ; all localities 



aquaticus, L. In wet places ; moss 



and hedge refuse ; abundant every- 

 where 



aquaticus var. aequalis, Thorns. Found 



with the preceding, but less abun- 

 dantly 



dorsalis, Marsh. Banks of brooks, 



ditches, etc., and in moss. Knowle 



1 All the species of Cercyon may be found under 

 similar conditions unless otherwise stated. 



88 



