FIELD AND LABORATORY STUDIES ON SEX RATIO IN IPS ACUMINATUS (COLEOPTERA SCOLYTIDAE ) IN NORWAY

[1] BAKKE A, 1968, MEDD NOR SKOGFORSOK, V21, P447

[2] Bakke A., 1967, Zeitschrift fuer Angewandte Entomologie, V59, P49

[3] CHARARAs C., 1962, ETUDE BIOLOGIQUE SCO

[4] HOPPING G. R., 1961, CANADIAN ENTOMOL, V93, P1050

[5] HOPPING G. R., 1962, CANADIAN ENTOMOL, V94, P506

[6] BREEDING EVIDENCE INDICATING 2 GENETIC TYPES OF FEMALES OF IPS TRIDENS ( MANNERHEIM ) ) COLEOPTERA - SCOLYTIDAE ) [J]. CANADIAN ENTOMOLOGIST, 1964, 96 (1-2) : 117 - &

[7] Klauser O., 1954, GROSSE BORKENKAFERKA, P285

[8] SEX-RATIO CONDITION - UNUSUAL MECHANISMS IN BARK BEETLES [J]. SCIENCE, 1966, 153 (3732) : 208 - &

[9] INTERSPECIFIC MATING AND CYTOLOGICAL STUDIES OF CLOSELY RELATED SPECIES OF IPS DEGEER AND ORTHOTOMICUS FERRARI (COLEOPTERA - SCOLYTIDAE) [J]. CANADIAN ENTOMOLOGIST, 1966, 98 (02) : 175 - &

[10] LOVENDAL EA, DANSKE BARKBILLER BE

[1] BAKKE A, 1968, MEDD NOR SKOGFORSOK, V21, P447

[2] Bakke A., 1967, Zeitschrift fuer Angewandte Entomologie, V59, P49

[3] CHARARAs C., 1962, ETUDE BIOLOGIQUE SCO

[4] HOPPING G. R., 1961, CANADIAN ENTOMOL, V93, P1050

[5] HOPPING G. R., 1962, CANADIAN ENTOMOL, V94, P506

[6] BREEDING EVIDENCE INDICATING 2 GENETIC TYPES OF FEMALES OF IPS TRIDENS ( MANNERHEIM ) ) COLEOPTERA - SCOLYTIDAE ) [J]. CANADIAN ENTOMOLOGIST, 1964, 96 (1-2) : 117 - &

[7] Klauser O., 1954, GROSSE BORKENKAFERKA, P285

[8] SEX-RATIO CONDITION - UNUSUAL MECHANISMS IN BARK BEETLES [J]. SCIENCE, 1966, 153 (3732) : 208 - &

[9] INTERSPECIFIC MATING AND CYTOLOGICAL STUDIES OF CLOSELY RELATED SPECIES OF IPS DEGEER AND ORTHOTOMICUS FERRARI (COLEOPTERA - SCOLYTIDAE) [J]. CANADIAN ENTOMOLOGIST, 1966, 98 (02) : 175 - &

[10] LOVENDAL EA, DANSKE BARKBILLER BE