A HISTORY OF KENT 



DYTisciDi* (continued) 



Hydaticus seminiger, De G. (hybneri,Fab.). 

 Very local, but occasionally com- 

 mon. Lee 

 Acilius sulcatus, L. Common 

 Gyrinid^ 



Gyrinus elongatus, Aube. Rather com- 

 mon. Rainham^ Gravesendy Whit- 

 stahle. Deal 



— natator, Scop. Very common every- 



where 



— suffriani, Scriba. Rare. Sandwich 



(Sharp) 



— marinus, Gyll. Local ; found both 



inland and near the coast 

 Orectochilus villosus, Mull. Very local, 



but not uncommon where it occurs ; 



found in the Ravembourne at 



Letuisham 

 Hydrophilid.^ 



Hydrophilus piceus, L. Not uncommon 



where it occurs. Sheerness, Lee 

 Hydrocharis caraboides, L. Common 

 Hydrobius fuscipes, L. Very common 



— oblongus, Herbst. Brackish ditches ; 



local. Rainham, Gravesend, Sheer- 

 ness, IVhitstahle, Deal 

 Philhydrus testaceus, F. Not uncommon 



— maritimus. Common near the coast 



— nigricans, Zett. Not common. Plum- 



stead, Lee, Gravesend, Greenwich, etc. 



— melanocephalus, Ol. Local 



— coarctatus, Gredl. (suturalis, Sharp). 



Not uncommon 



Cymbiodyta ovalis. Thorns. Common 



Enochrus bicolor, Gyll. Local, but not 

 uncommon 



Paracymus nigroaeneus, Sahl. Not com- 

 mon. Lee 



Anacaena globulus, Payk. (limbata. Sharp.). 

 Very common 



— limbata, F. (variabilis, Sharp.). Very 



common 



— bipustulata, Steph. Local. Lee 

 Helochares lividus, Forst. Local. Sheerness 



— punctatus. Sharp. Common 

 Laccobius sinnatus. Mots, (nigriceps, 



Thoms.). Not uncommon 



— alutaceus, Thoms. Probably widely 



distributed. Ramsgate, Deal 



— bipunctatus, F. Locally abundant. 



Gravesend, Folkestone, Deal 

 [L. minutus, L., is usually recorded as 

 abundant in the district, but I be- 

 lieve that L. bipunctatus, F., has 

 been confused with it. I have no 

 record of L. minutus, L., as Dr. 

 Sharp has determined it, from the 

 London district or the southern 

 counties] 



Hydrophilid^^ [continued) 



Berosus spinosus, Stev. Always in brackish 

 ponds and ditches ; local. Sheerness, 

 Sheppey 



— signaticollis, Sharp. Local. Lee, 



JVhitstable 



— luridus, L. Local. Lee, Rainham, 



Deal 



— affinis, Brulle. Common 

 Limnebius truncatellus, Thoms. Not 



uncommon 



— papposus, Muls. Not uncommon 



— nitidus, Marsh. Local 

 Chastarthria seminulum, Herbst. Com- 

 mon 



Helophorus rugosus, Ol. Not uncommon 



— nubilus, F. Common 



— intermedius, Muls. Occasionally com- 



mon 



— aquaticus, L. Very common every- 



where 

 var. acqualis, Thoms. With the type ; 

 occasional 



— dorsalis. Marsh. Rare. Chattenden 



— aeneipennis, Thoms. Common 



— mulsanti. Rye. Not uncommon. Lee, 



Chatham, Rainham, Darenth Wood 



— affinis. Marsh. Generally common 



— brevipalpis. Bedel. Not uncommon 



— nanus, Sturm. Very local. Lee 



(Power) 

 Hydrochus elongatus, Schall. Not un- 

 common 



— angustatus, Germ. Common 

 Octhebius exaratus, Muls. Chiefly in 



brackish ditches ; very local. Rain- 

 ham, Gravesend, JVhitstable 



— margipallens, Latr. Chiefly in brackish 



ditches ; locally abundant 



— marinus, Payk. Brackish ditches ; com- 



mon near the sea 



— pygmaeus, F. Inland and maritime ; 



rather common 



— bicolon. Germ. Inland and maritime ; 



rather common 



— auriculatus, Rey. Locally common ; 



Isle of Sheppey 



— rufimarginatus, Steph. Inland and 



maritime ; not common. Sheerness, 

 Strood, Maidstone 



— nanus, Steph. (aeratus, Steph.). Inland 



and maritime ; local 



— punctatus, Steph. Very local near the 



sea. Sheerness, Pegwell Bay 

 Hydraena testacea. Curt. Scarce. Lee 



— riparia, Kug. Not common. Chatham 



and Rochester district 

 Cyclonotum orbiculare, F. Common 

 Sphaeridium scarabaeoides, F. Very com- 

 mon everywhere 



