34 PllOC. E I\' TOMOL. Soc. Bill'!'. C OI .l1 M RIA. V OL. 57 (1960 ), D EC. 1, 1960 THE CORIXIDAE (HEMIPTERA-HETEROPTERA) OF BRITISH COLUMBIA I. LANSBURY' Introduction Manitoba, Alberta, Saskatchewan and Prior to this list nineteen species Alaska. Apparently not very common were recorded from British Columbia; although widespread. twenty five are recorded here and Dasycorixa hybrida (Hungerford) three new species are described. Some Vernon (P.) (Hungerford, 1.c.) . of the records are from Hungerford Corisella decolor (Uhler) (1948) and Lansbury (1955) . The re­ Osoyoos (H.B.L.); Hope (L.D.A.). mainder are from material in the British Columbia forms the extreme collections of the Department of northern limit of this species; it Zoology at the University of British occurs abundantly in California, Utah, Columbia, Vancouver. Full descrip­ Nevada and Oregon. tions of the species listed, excluding Callicorixa audeni (Hungerford) the new ones, can be found in Hunger­ Kamloops (G.J.S.); Fraser Lake ford (1. c.). (G. J. S.); Chilcotin (G.J .S.); Nicola List o·f Captors (G.J.S.) ; Australian (N.S.W.) ; Midday A.B.A . .......................... A. B. Acton Valley, Merritt (K.F.A.) ; Oliver L.D.A . .................... L. D. Anderson (W. D.) ; Williams La k e District KF.A . .......................... K F. Auden (G.G .E.S.) ; Alkali Lake South of Clin­ W.B . .................... ____ .... W. Bennedict J.C.B . ...____ .................. J. C. Bradley ton (G.G.E.S.); Soda Creek, to light O.B . ......... __ ................. Owen Bryant (G.J.S.) ; Nulki Lake near Vanderhoof E.R.B. ........................ E. R. Buckell (J. A. M.); Downie Creek, Selkirk D.C.B. .... __ ................ D. C. Buckland B.C . ................................ Bueno Coll Mountains (J.C.B.) ; Prairie Hills G.C.C . ................................ G. C. Carl (J.C.B.); Paxton Valley (A.T.) ; Kere­ N.C... ....... __ . __ ........ __ .. __ ........ N. Carter meos (C.C.L.); Westbank (A.N.G.); W.D . ................................ W. Downes J.F . ....................................... J . Fraser Jesmond (J. K. J.); Nr. Clinton A.N.G . ..... ............... A. N. Gartrell (A.B.A.); Fort st. John (A.B.A.) ; 45 J. H ...................... __ ................ J. Hart miles N. of AWn (A.B.A.) ; Revelstoke. J .KJ. ............................ J. K Jacob H.B.L. ...... .. .................. H. B. Leech CaZZicorixa alaskensis (Hungerford) C.C.L . .............................. C. C. Loan Seymour Mountain 4,000 feet, Van­ V.Z.L. ........................... V. Z. Lucas couver (H. B. L.); Masset, Q.C.I. J.A.M . ....................... J. A. Munro P . ...................... __ .................. Parshley (A.B.A.); 20 miles south of Port Cle­ J.H.P . .......................... J . H. P epper ments, Q.C.I. (A.B.A.); Tlell, Q.C.I. W.H.P . ...... ................ W. H. Preece (A.BA); Fort st. John (A.B.A.); At­ G.G.E.S . ................ G. G. E. Scudder G.S.S . ........... ............ G. Stace Smith lin (A.B.A.). Hungerford (1.c.) also G.J.S . ......................... G. J. Spencer lists B.C. but no locality is given. This A.T. ................................. A. Thrupp species is most common in Alaska. U.C . .......... .................... Uhler CoIl P.N.V . ....... __ .............. P. N. Vroom CaZZicorixa vulnerata (Uhler) J.B.W . ........................... J . B. Wallis Saanich (W.D.); Milner (G.J.S.); J.W . .............................. J. Waterfield Pond, Univ. B.C. (G.J.S.); Mission N.S.W . ..................... N. S. Wright (W.D.) ; Point Grey (J.H.) ; Malahat Species Recorded (W.D.) ; Metchosin (W.D.); Bear Foot Cymatia americana (Hussey) Mts. (B.C.); Peachland (A.N.G.) ; Kamloops (G.J.S.); Brent Lake, Penticton (A.N.G.) ; Port Clements, Summerland (A.N.G.); Fort st. John Q.C.I. (A.B.A.); Tlell, Q.C.I. (A.B.A.); (A.B.A.) ; Nulki Lake near Vanderhoof Masset, Q.C.I. (A.B.A.) ; 20 miles south (J.A.M.). This species has also been of Port Clements, Q.C.I. (A.B.A.). Re­ collected in the North West Territory, corded from scattered localities in the • Hope Department of Entomology, University Museum, Oxford. Western United States. Pnoc. E:-iTtJ\lO I.. SIW. BlOT. CO I. L· , 'I\I.I . V I) I. ;,7 (1960) . DEc. 1. 1960. 35 Cenoco7'ixa bifid a (Hungerford) H .B.L.) ; Chilliwack; C ran b roo k Kamloops (G.J.S.) ; Chi I cot in (J.H.P.); Sahacks La ke (U.C.); Vic­ (G.J.S. ) ; Nicola (G.J.S.); Malahat toria, Swan Lake (A.B.A.) . Apparent­ (W.D.); Vernon (E.R.B., W.D.); 6 ly an abundant species in the lower miles South of Clinton (G.G.E.S.); par t of the province. Found over most 149 mile lake, Cariboo (G.G.E.S.); of the United Sta t es, but not very Soda Creek, to light (G.J.S.); Miln er common a long the Eastern seaboard; (G.J.S.) ; Westwick Lake, Cariboo it h a s been r ecorded from Mexico. (G.G.E.S.); Risk e Creek, North Range H espel'ocorixa vulgaris (Hungerford) (G.G.E.S.); Boitano Lake, Cariboo Oliver (W.D.); Williams Lake dis­ (G.G.E.S.) ; Peachland (J.B.W.); Nul­ trict (G.G.E.S.); Cra nbrook (O.B.) ; ki La ke (J.A.M.) ; West bank (A.N.G.) ; Sooke (KF.A.) ; Clinton district, Bea­ Summerland , Fish La ke (A.N.G.) ; verda m Lake (H.B.L.). Seemingly on Oliver (A.N.G.); Hope Mt., 4,500 feet the ed ge of its distribution, this Cor­ (A.N.G.); J esmond (J.KJ.); Minnie ixid is found principa lly in Michigan Lake (N.C.); Nicola (P.N.V.) . This is and Minnesota and there a re records an extremely common species over the for mos t of the United States. Plateau region, most common in Mon­ H espel'ocol'ixa rnichiganensis tana in the United Sta tes. (Hunger ford) Cenocorixa utahensis (Hungerford) Saanich (W.D.); Chilcotin, Riske Creek (G.G.E.S.) . Found in scattered V ern 0 n (W. D.) ; Windermere (O.B.); Copper Ht. (G.J .S .) ; Brent localities across Can ada, but not Lake, Summerland (A.N.G. ); P entic­ along th e Eas tern seaboard. ton (A.N.G .). British Columbia seems H esp e1'Ocorix a atopodonta to be the northern limit of this (Hungerford) Corixid. Saanich (W.D.) ; Riske Creek, North R an ge (G.G.E.S.) . A n ew record for Cenocorixa andel'soni Hungerford British Columbia, this species is found Vic tori a (KF.A.); Golds trea m m ost common ly in Michigan, Min­ (KF.A.). Not hitherto r ecorded from nesota and Wisconsin. Canada; known only from Oregon A l'ctocorisa convexct (Fieber) and Washington where it is not very R evelstoke (Wa lley, 19 36). Known common. in B .C . only from this locality. Found Cenocorixa expZeta (Uhler) principa lly so far in La brador. Kamloops (G.J.S.) ; 6 miles South A rctocorisa sutilis (Uhler) of Clinton (G.G.E.S.) ; Risk e Creek , K a mloops (G.J.S.) ; 45 miles N. of North Range (G.G.E.S.). Not pre­ AWn (A.B.A .). Not previously record­ viously recorded from British Colum­ ed from British Columbia. This Al'cto­ bia; found most commonly in North cO ,"isa has a wide distribution extend­ Dakota and a lso known from Mani­ ing from Alask a to Colorado. toba and Saskatchewa n. Sigam ( Arctos-tgam) decoratella Hespel'ccorixa laevigata (Uhler) (Hungerford) Kamloops (G.J.S.) ; Vernon (W.D.) ; K a mloops (G.J.S.); La c la J eune Pond, Univ. B.C. (V.Z .L.); Osoyoos (A. C. T.); Smi the r s; Chilcotin (H.B.L.) ; Vancouver (H.B.L., G.J.S. ) ; (G.J.S. ); Oliver (P.N.V.) ; Shafer Lake Nicola (G.J.S.); Metchosin (W.D.) ; (J.A.M.) ; Nicola La k e (E.R.B.). Not a Midday Valley, Merritt (KF.A.) ; comm on species; the main centre of Mission (W.D.); Oliver (W.D.); Point dis tribution is Michigan a nd Min­ Grey (J.H.); Alkali Lake South of nesota. Clinton (G. G . E. S.) ; Riske Creek, Sigam (Al'ctosigam) IJenniensis North Range (G. G. E. S.) ; Cariboo (Hungerford) (G.G.E.S.) ; Peachland (J.B .W., A.N.G., Prince Rupert (N.C.) . 36 PIWC. EX"lU\LOI.. Soc. firaT. C OlX~.II:I.\. ' ·or.. :. 7 ( 1960) . DEc. 1. 1960 Sigara (Vermicorixa) bicoloripennis Sigara (Vermicorixa) mulletensis (Walley) (Hungerford) Chilcotin (G.J.S.); Cariboo, West­ Chief Lake (J.A.M.) . Found prin­ wick Lake (G.G.E.S.); Brent Lake, . cipally in Michigan and Minnesota. Summerland (A.N.G.). Found mainly Cenocorixa hungertordi n. sp. Fig. 1 in Manitoba, Michigan and Minnesota. Size : length 7.7 mm. to 8 mm.; Sigara (Vermicorixa) washington- width of head across eyes 2 mm. to ensis Hungerford 2.1 mm. Windermere (O .B.); Adams Lake Colour: general facies light; pro­ (K.F.A.); Vernon (L.D.A., W.D.); Oli­ notum crossed by 8 to 10 dark lines ver (L.D.A.); Quesnel Lake (W.B.) ; narrower than the pale interlinea­ Needles (H.B.L.); Mill Creek, Kel­ tions, the median dark lines being owna (A.N.G.) . A fairly common broken in the centre of pronotum; species in British Columbia, although claval pattern broken, vermiculate this province appears to be the north­ dark splotches with colour etched ern limit. away from inner angle; coria1 pattern Sigara (Vermicorixa) grosslineata vermiculated dark splotches arranged Hungerford in three indistinct longitudinal series; Quesnel (G. J. S.); Burns Lake membrane and corium distinctly sep­ (G.J.S.). Not previously recorded from arated by pale smoky line; embolium, British Columbia. Recorded princip­ head and limbs pale, venter pale to ally from Manitoba in Canada and black.