A HISTORY OF CORNWALL 



HYDROPHILIDAE 



Hydrobius fuscipes, L. 

 Anacaena globulus, Payk. Penlee 



- limbata, F. W. Cornwall 

 Philhydrus testaceus, F. 



maritimus, Thorns. Found by 



Champion on Samson, Stilly, 



melanocephalus, Ol. 



coarctatus, Gredl. S. 



minutus, F. 

 Helochares lividus, Forst. 



punctatus, Sharp. Land's End 

 Laccobius sinuatus, Mots 



- alutaceus, Thorns. Land's End 

 Berosus signaticollis, Charp. 



- affinis, Brulld 

 Limnebius truncatellus, Thorns. 



papposus, Muls. 



nitidus, Marsh. 

 Chaetarthria seminulum, Herbst 

 Helophorus rugosus, Ol. 



nubilus, F. 



- intermedius,Muls. Land's End; 



Pencalenlck 



aquaticus, L. 



dorsalis, Marsh. E. Cornwall, 



rare 



- aeneipennis, Thorns. 



mulsanti, Rye 



affinis, Marsh. 



- brevicollis, Thorns. Down- 

 derry (Keys) 



brevipalpis, Bedel 

 Hydrochus elongatus, Schall 



- angustatus, Germ. 

 Henicocerus exsculptus, Germ. 



Near Altarnun 



Octhebius margipallens, Latr. 

 Swarming at the muddy 

 edges of a pond at the mouth 

 of the Seaton, August, 1900 

 (Keys). St. Mary's and St 

 Agnes, Stilly 



- marinus, Payk. 



- pygmaeus, F. 



- bicolon, Germ. 



- aeratus, Steph. 



- lejolisi, Muls et Rey. About 



fifty specimens of this new 

 British species were obtained 

 by Keys in stagnant salt 

 water or brackish pools above 

 high-tide mark near Rame 

 Hd., September, 1901; two 

 specimens in a rock pool at 

 St. Mary's, Stilly (Champion) 

 Hydraena testacea, Curt. Common 

 above Trebartha 



- riparia, Kug. 



- nigrita, Germ. 



gracilis, Germ. 

 Cyclonotum orbiculare, F. 

 Sphaeridium scarabaeoides, F. S. 



bipustulatum, F. S. 



var. marginatum, F. 

 Cercyon littoralis, Gyll. S. 



depressus, Steph. Whitsand 



Bay east ,- Penzance ; St. 

 Mary's, Stilly 



HYDROPHILIDAE (continued) STAPHYLINIDAE (continued) 



Cercyon haemorrhous, Gyll. 



haemorrhoidalis, Herbst 



obsoletus, Gyll. Land's End. 



aquaticus, Muls. 



flavipes, F. 



lateralis, Marsh. 



melanocephalus, L. 



unipunctatus, L. S. 



quisquilius, L. 



nigriceps, Marsh. Wbltsand 



Bay east (W. Hobbs) 



pygmaeus, 111. 



terminatus, Marsh. 



analis, Payk. 



lugubris, Payk. 



granarius, Er. 



minutus, Muls. 

 Megasternum boletophagum, 



Marsh. 

 Cryptopleurum atomarium, F. 



STAPHYLINIDAE 



Aleocharis ruficornis, Grav. Occurs 

 in moss near the nests of 

 Formica rufa m Bishop's Wood, 

 Truro 



fuscipes, F. S. 



lata, Grav. 



brevipennis, Grav. 



bipunctata, Ol. In carrion, 



Whitsand ; Falmouth ; St. 

 Mary's, Stilly 



lanuginosa, Grav. 



moesta, Grav. 



nitida, Grav. S. 



var. bilineata, Gyll. In 

 decaying seaweed, Ma- 

 razion 



morion, Grav. 



grisea, Kr. In a dead sheep, 



Rame (Keys) ; in decaying sea- 

 weed, Falmouth ; Tresco, Stilly 



algarum, Faur. S. 



obscurella, Er. S. 

 Microglossa suturalis, Sahl. 



pulla, Gyll. 



gentilis, Mark. In the com- 



pany of ants, Bishop's Wood, 

 Truro 



Oxypoda spectabilis, Mark. 

 - vittata, Mark. 



opaca, Grav. 



alternans, Grav. 



longiuscula, Er. 



haemorrhoa, Mann. 



annularis, Sahl. 



(This difficult genus is well 

 represented in woods, tide- 

 refuse, moss and sandy ex- 

 posures throughout the 

 county, but the above are the 

 only species that have been 

 identified with certainty) 

 Ischnoglossa prolixa, Grav. 



corticina, Er. Under the bark 



of fallen branches, Bishops 

 Wood, Truro 



IQO 



Ocyusa incrassata, Kr. 



maura, Er. 



picina, Aube 

 Phloeopora reptans, Grav. 



corticalis, Grav. 

 Ocalea castanea, Er. 



badia, Er. Scawswater, Truro. 

 Ilyobates nigricollis, Payk. 

 Calodera aethiops, Grav. 



umbrosa, Er. In decaying 



fungi, Mount Edgcumbe 

 Chilopora longitarsis, Steph. 

 Dinarda markeli, Kies. Taken by 

 Isabell in the Land's End dis- 

 trict from the nests of Formica 

 rufa 



dentata, Grav. Found in the 



nest of Formica fusca at 

 Whitsand Bay east 

 Atemeles emarginatus, Payk. Pen- 

 zance district, in the nests of 

 Formica rufa, scarce (Mar- 

 quand) 



paradoxus, Grav. Found by 



Keys at Whitsand Bay and by 

 Isabell in the Land's End 

 district ; Bishop's Wood, Truro 

 Myrmedonia limbata, Payk. 



funesta, Grav. 

 Astilbus canaliculatus, F. S. 

 Callicerus obscurus, Grav. 



- rigidicornis, Er. Bodmin 

 Thamiaraea cinnamomea, Grav. 



hospita, Mark. 

 Notothecta flavipes, Grav. 



anceps, Er. 



Alianta incana, Er. In stems of 

 Typha latifolia, Marazion 



plumbea, Wat. In seaweed, 



Tregantk; Falmouth (Fowler) 

 Homalota currax, Kr. Valley of 

 the Lynher 



languida, Er. Two specimens 



in marsh-land, Wadebridge ; 

 several in flood refuse, Lost- 

 toithiel 



pavens, Er. Under vegetable 



refuse, Bishop's Wood, Truro. 



cambrica, Woll. One on the 



middle reaches of the Lynher 



gregaria, Er. S. 



longula, Heer. In wet shingle, 



fresh or brackish water, Dotvn- 

 derry (Keys) ,- Mount Edg- 

 cumbe (E. A. Newbery) 



littorea, Sharp. Falmouth 



imbecilla, Wat. Under rotten 



seaweed, Falmouth (Fowler) 



luteipes, Er. 



fallax, Kr. 



luridipennis, Mann. 



elongatula, Grav. Under sea- 



weed Mevagissey ; Penzance 

 (Marquand) 



volans, Scrib. 



vestita, Grav. S. 



nitidula, Kr. In a dead tree- 



creeper, Killioiu, Truro 



