INSECTS 



DYTISCIDJE (continued) 



the mosses, as it is taken at Lindow 

 and Delamere in Cheshire 

 Hydroporus nigrita, F. Kirkdale 



lituratus, F. Southport 



obsoletus, Aube. Recorded by Chap- 



pell from Chat Moss and from 

 Northenden by Dr. Bailey 

 Agabus bipustulatus, 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. Bolton and River 



Douglas near Preston 



Platambus maculatus, L. Generally dis- 

 tributed in running water 



Ilybius fuliginosus, F. Common 



ater. De G. 



fenestratus, F. Wavertree 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. 1 Recorded and 



punctulatus, F. / fairly common 

 GYRINID;E 



Gyrinus bicolor, Payk. Near Southport 



elongatus, Aub. 



marinus, Gyll. 



natator, Scop. Abundant everywhere 

 Orechtochilus villosus, Mall. Winwick 



near Harrington, near Manchester 



CLAVICORNIA 

 HYDROPHILID.S: 



Hydrocharis caraboides, L. A single speci- 

 men captured at Southport when fly- 

 ing at night 



Hydrobius fuscipes, L. Common 

 Philhydrus testaceus, F. ^ M Qccur ^ 



mgncans, Zett. , , 



- melanocephalus, Ol. f r l< f fre ' 



- coarctatus, Gredl. J ^^ 

 Cymbiodyta ovalis, Thorns. Common 

 Enochrus bicolor, Gyll. Near Liverpool, 



Formby 



Laccobius. All the four British species or 

 forms occur near Southport and else- 

 where 



Berosus affinis, Brull. Wavertree, Kirk- 

 dale near Liverpool 



Limnebius truncatellus, Thorns. Common 



nitidus, Marsh. Southport 



Recorded from 

 the Southport dis- 

 trict, but are not 

 common 



HYDROPHILID^: (continued) 



Anaccena. 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. 



arvernicus, Muls. 



aenipenuis, Thorns. 



Hydrochus angustatus, Germ. Southport ; 



rare 

 Octhebius pygmaeus, 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. ") Fairy Glen, Appleby 



gracilis, Germ. J Bridge 



All species of Cyclonotum and 

 Sphasridium occur not uncommonly 



Cercyon. With the exceptions of 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 

 SILPHID^E 



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 



