SUPERCOOLING AND LOW-TEMPERATURE SURVIVAL OF GREEN SPRUCE APHID ELATOBIUM-ABIETINUM

[11] SEASONAL CHANGES IN GLYCEROL CONTENT AND SUPERCOOLING POINTS OF MEGACHILE-ROTUNDATA (F) AND M RELATIVA CRESS [J]. CANADIAN JOURNAL OF ZOOLOGY - BACK YEAR PROJECT, 1971, 49 (05): : 663 - +

[12] PHOTOSYNTHESIS IN SITKA SPRUCE (PICEA-SITCHENSIS (BONG) CARR) .2. RESPONSE TO TEMPERATURE [J]. JOURNAL OF APPLIED ECOLOGY, 1972, 9 (03) : 721 - 745

[13] OHNESORGE B., 1961, Allg. Forstzeitschr., V16, P408

[14] COLD RESISTANCE IN WOODY PLANTS [J]. BOTANICAL REVIEW, 1963, 29 (02) : 123 - 201

[15] OBSERVATIONS ON FLIGHT PERIODS OF APHIDS IN A SITKA SPRUCE PLANTATION IN NORTHEASTERN SCOTLAND [J]. BULLETIN OF ENTOMOLOGICAL RESEARCH, 1973, 62 (03) : 391 - 399

[16] PARRY WH, 1971, 1971 REP FOR RES LON, P136

[17] RUBNER K, 1960, PFLANZENGEOGRAPHISCH

[18] SALT R. W., 1953, CANADIAN ENT, V85, P261

[19] SALT R. W., 1950, CANADIAN JOUR RES SECT D ZOOL SCI, V28, P285

[20] SALT R. W., 1956, CANADIAN JOUR ZOOL, V34, P283, DOI 10.1139/z56-042

[11] SEASONAL CHANGES IN GLYCEROL CONTENT AND SUPERCOOLING POINTS OF MEGACHILE-ROTUNDATA (F) AND M RELATIVA CRESS [J]. CANADIAN JOURNAL OF ZOOLOGY - BACK YEAR PROJECT, 1971, 49 (05): : 663 - +

[12] PHOTOSYNTHESIS IN SITKA SPRUCE (PICEA-SITCHENSIS (BONG) CARR) .2. RESPONSE TO TEMPERATURE [J]. JOURNAL OF APPLIED ECOLOGY, 1972, 9 (03) : 721 - 745

[13] OHNESORGE B., 1961, Allg. Forstzeitschr., V16, P408

[14] COLD RESISTANCE IN WOODY PLANTS [J]. BOTANICAL REVIEW, 1963, 29 (02) : 123 - 201

[15] OBSERVATIONS ON FLIGHT PERIODS OF APHIDS IN A SITKA SPRUCE PLANTATION IN NORTHEASTERN SCOTLAND [J]. BULLETIN OF ENTOMOLOGICAL RESEARCH, 1973, 62 (03) : 391 - 399

[16] PARRY WH, 1971, 1971 REP FOR RES LON, P136

[17] RUBNER K, 1960, PFLANZENGEOGRAPHISCH

[18] SALT R. W., 1953, CANADIAN ENT, V85, P261

[19] SALT R. W., 1950, CANADIAN JOUR RES SECT D ZOOL SCI, V28, P285

[20] SALT R. W., 1956, CANADIAN JOUR ZOOL, V34, P283, DOI 10.1139/z56-042