INSECTS 



PsELAPHID^ 



Pselaphus heisei, Herbst. Generally dis- 

 tributed and not uncommon 



Tychus niger, Payk. Common and gener- 

 ally distributed 



Bythinus bulbifer, Reich. Common in 

 several localities. Chatham district, 

 scarce 



— curtisii. Local. Chatham, Cobham, 



Birch Wood 



— securiger, Reich. Rare. Bromley 



(Saunders) 



— burrellii, Denny. Rare. Faversham, 



Bromley, Birch Wood 

 Batrisus venustus, Reich. In or about 

 ants' nests, chiefly Formica fuligi- 

 nosa ; rare. Birch Wood 

 Rybaxis sanguinea, L. Locally common 

 Bryaxis waterhousei, Rye. Very local. 

 Rochester (bank of Medway), Rain- 

 ham, Strood, Sheerness, Whitstable 



— fossulata, Reich. Generally distributed 



— helferi, Schmidt. Salt marshes ; locally 



common. Gravesend, Chatham, Sheer- 

 ness, Whitstable, Strood, Kingsgate, 

 Folkestone 



— haematica, Reich. Local, but occa- 



sionally abundant ; more frequent 

 about the banks of large rivers. 

 Chatham 



— juncorum. Leach. Generally distri- 



buted 



— impressa, Panz. Not common. Lee, 



Eltham, Strood 

 Trichonyx sulcicollis, Reich. Very rare. 



Cobham Park (J. J. W.), Lee (Douglas 



and Scott) 

 Bibloporus bicolor, Denny. Under bark ; 



not common. Cobham Park, Bexley, 



Sevenoaks, Brasted, Bearsted 

 Euplectus kunzei, Aube. In moss, dead 



leaves, etc. ; rare. Cobham Park, 



Sevenoaks, Greenhithe, Darenth Wood, 



Bearsted 



— duponti, Aub^. Very rare ; one speci- 



men under rotten beech bark in 

 company with B. bicolor at Cobham 

 Park (J. J. W.) 



— karsteni, Reich. In cut grass, hot 



beds, etc.; rare under loose bark. 

 Cobham Park, Strood 



— signatus, Reich. In vegetable refuse, 



cut grass, etc. ; rarely under bark ; 

 not uncommon in some localities, 

 more scarce in others 



— nanus, Reich. In haystack and vege- 



table refuse, also under bark ; rare. 

 Lee 



— sanguineus, Denny. As the preceding; 



not uncommon in some localities, 



PsELAPHlD^ {continued) 



scarce apparently in others, but prob- 

 ably overlooked 

 Euplectus piceus, Mots, (nigricans, Chaud.). 

 Under bark ; very scarce in hotbeds ; 

 not common. Darenth Wood, Cobham 

 Park, St. Mary Cray, Hawkhurst, 

 Maidstone 



— ambiguus, Reich. Many places at roots 



of grass, occasionally in haystacks ; 

 local, but sometimes not uncommon 

 where it occurs. Lee, Eltham, Sheer- 

 ness, Bromley 

 Tp.ichopterygid^ 



Ptinella aptera, Gu^r. Under bark of dead 

 trees ; not uncommon. Cobham 

 Park, Brasted 



Trichopteryx thoracica, Waltl. Rare. 

 Lee 



— atomaria, De G. Not uncommon 



— anthracina, Matth. Rare. Chatham, 



Sheerness 



— grandicollis, Mannh. Not uncommon. 



Lee, Whitstable 



— lata. Mots. Common everywhere 



— cantiana, Matth. Rare. Tonbridge 



(Wollaston) 



— fascicularis, Herbst. Not uncommon. 



Lee 



— seminitens, Matth. Snodland, not un- 



common 



— attenuata. Gill. Rare. Snodland 



— sericans, Heer. Not common. Lee, 



Kingsgate 



— bovina. Mots. Not uncommon. Chat- 



ham, St. Mary Cray, etc. 



— edithia, Matth. Very rare. Tonbridge 



(Wollaston) 



— longula, Matth. Rare. Tonbridge 



— montandonii. All. „ „ 



— chevrolatii, All. „ „ 

 Nephanes titan, Newm. Locally com- 

 mon. Darenth JVood, Tonbridge, 

 Kingsgate. Probably overlooked ; 

 sometimes in profusion where it 

 occurs 



Ptilium spencei, All. Locally common. 

 Lee, Tonbridge 



— exaratum. All. Rare, Tonbridge 



— myrmecophillum. All. In nests of 



Formica rufa. Chislehurst 



— foveolatum. All. Locally abundant. 



Kingsgate 

 Millidium trisulcatum. Local. Tonbridge 

 Actidium coarctatum, Hal. Locally com- 

 mon ; under seaweed on the coast, 

 and also inland in hotbeds, etc. 

 Sheerness (J. J. W.), Kingsgate, in 

 profusion (T. Wood) ; formerly con- 

 sidered extremely rare 



143 



