INSECTS 



DYTisciDiE [continued) 



the mosses, as it is taken at Lindow 

 and Delamere in Cheshire 

 Hydroporus nigrita, F. Kirkdale 



— lituratus, F. Southport 



— obsoletus, Aub6. Recorded by Chap- 



pell from Chat Moss and from 

 Northenden by Dr. Bailey 

 Agabus bipustulatus, L. "l Everywhere 



— sturmii, SchrOn. J" abundant 



— guttatus, Payk. Common under stones 



in brooks 



— biguttatus, Ol. Ribble near Preston 



— paludosus, F. Bolton and near Manchester 



— unguicularis, L. One specimen, Birch 



Fields, Manchester 



— nebulosus, Forst. Southport 



■ — chalconatus, Panz. Bo/ton and River 

 Douglas near Preston 



Platambus maculatus, L. Generally dis- 

 tributed in running water 



Ilybius fuliginosus, F. Common 



— ater. De G. „ 



— fenestratus, F. JVavertree near Liver- 



pool 



— obscurus. Marsh. Southport 



— guttiger, Gyll. Prestwich 

 Colymbetes fuscus, L. Common generally 

 Rhantus bistriatus. Berg. Prestwich 



— exoletus, Forst. Hightown near Formby 

 Dytiscus marginalis, L. "| Recorded and 



— punctulatus, F. J fairly common 

 Gyrinid^ 



Gyrinus bicolor, Payk. Near Southport 



— elongatus, Aub6. „ „ 



— marinus, Gyll. „ „ 



— natator, Scop. Abundant everywhere 

 Orechtochilus villosus, Mull. TVinwick 



near Warrington, near Manchester 



CLAVICORNIA 



HyDROPHILIDjE 



Hydrocharis caraboides, L. A single speci- 

 men captured at Southport when fly- 

 ing at night 



Hydrobius fuscipes, L. Common 

 ■\ 

 All occur more 

 or less fre- 

 quently 



Cymbiodyta ovalis, Thoms. Common 



Enochrus bicolor, Gyll. Near Liverpool, 

 Formby 



Laccobius. All the four British species or 

 forms occur near Southport and else- 

 where 



Berosus afBnis, Brull^. Wavertree, Kirk- 

 dale near Liverpool 



Limnebius truncatellus, Thoms. Common 



— nitidus, Marsh. Southport 



Philhydrus testaceus, F, 



— nigricans, Zett. 



— melanocephalus, Ol. 



— coarctatus, Gredl. 



HydrophilidjE {continued ) 



Anacoena. All our species occur 

 Choetarthria seminulum, Herbst. Birkdale 

 Helophorus tuberculatus, Gyll. This ex- 

 ceedingly rare species was taken some 

 years ago in the Manchester district 

 by J. Chappell and named by E. C. 

 Rye {E.M.M. October 1874) 



— aquaticus, L. Generally abundant 



— brevipalpis, Bedel. „ „ 



— nubilus, F, 



— intermedius, Muls. 



— dorsalis, Marsh. 

 Muls. 



arvernicus, 

 asnipenuis, Thoms. 



Recorded from 

 the Southport dis- 



trict, but are not 

 common 



Hydrochus angustatus. Germ. Southport ; 



rare 

 Octhebius pygmasus, F. Common 



— bicolon, Germ. „ 



— marinus, Payk. One specimen. South- 



port 



— rufomarginatus, Steph. Recorded by 



T. Morley from Stretford near Man- 

 chester in flood refuse 

 Hydrcena riparia, Kug. Generally distri- 

 buted 



— nigrita. Germ. 1 Fairy Glen, Appleby 



— gracilis. Germ. / Bridge 



All species of Cyclonotum and 

 Sphsridium occur not uncommonly 

 Cercyon. With the exceptionsof C. aquati- 

 cus, Muls., C. depressus, Steph,, and 

 C. minutus, Muls., the whole of our 

 British species have been recorded. 

 The two species also of Megaster- 

 num and Cryptopleurumare abundant 



SiLPHIDiE 



Clambus. Our three British species have 

 all been taken near Southport 



Agathidium nigripenne, Kug. Under bark, 

 Agecroft, Manchester 



— marginatum, Sturm. Rare, Birkdale 



sandhills 

 Liodes humeralis, Kug. Generally distri- 

 buted 



— orbicularis, Herbst. One specimen in 



Lycoperdon. Prestwich near Man- 

 chester 



Anisotoma dubia, Kug., is the only species 

 at all common, but A. picea, 111., 

 A. rugosa, Steph., A. furva, Er., A. 

 ciliaris, Schm., and A. ovalis, Schm., 

 all species generally considered rare 

 or very rare, have been taken by Dr. 

 Chaster and Mr. Sopp on the South- 

 port coast, also by the former one 

 specimen of A. punctulata, Gyll. 



Hydnobius punctatus, Sturm. Recorded 

 by Archer (1864) from Hightown 

 near Crosby 



"5 



