35121 results in Entomology
Manual of Animals Injurious and benefical to Agriculture.Dr. J. Ritzema Bos, lecturer at the Agricultural College of Wageningen, Holland, has just published a magnificent volume in German which makes one wish English-speaking farmers and gardeners, as well as entomologists, possessed in their own language, and for their respective countries, a similar compendiu, of knowledge on the “Animals injurious and benefical to agriculture, cattle breeding, foretry and horticulture.”(Tierische Shadlinge und Nützlinge, Berlin, 1891.)
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- The Canadian Entomologist / Volume 23 / Issue 5 / May 1891
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- 31 May 2012, pp. 115-116
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APHALARA STEIRONEMICOLA, A NEW PSYLLID COLLECTED ON STEIRONEMA CILIATUM IN ONTARIO (HOMOPTERA: PSYLLIDAE)
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- The Canadian Entomologist / Volume 102 / Issue 12 / December 1970
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- 31 May 2012, pp. 1508-1509
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TOXICITY OF INSECTICIDES TO PARASITES OF THE SPOTTED TENTIFORM LEAFMINER (LEPIDOPTERA: GRACILLARIIDAE)
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- The Canadian Entomologist / Volume 113 / Issue 10 / October 1981
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- 31 May 2012, pp. 899-906
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SOME NEW SPIDERS
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- The Canadian Entomologist / Volume 30 / Issue 7 / July 1898
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- 31 May 2012, pp. 185-188
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ANNOTATED LIST OF MACROSIPHONIELLA (HOMOPTERA: APHIDIDAE) OF AMERICA NORTH OF MEXICO, WITH A KEY AND DESCRIPTION OF A NEW SPECIES
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- The Canadian Entomologist / Volume 119 / Issue 10 / October 1987
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- 31 May 2012, pp. 913-919
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PROGNATHISM AND HYPOGNATHISM IN INSECTS
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- The Canadian Entomologist / Volume 64 / Issue 10 / October 1932
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- 31 May 2012, pp. 223-229
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A CONTRIBUTION TO THE INSECT FAUNA OF TIMAGAMI
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- The Canadian Entomologist / Volume 66 / Issue 12 / December 1934
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- 31 May 2012, pp. 261-267
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MOSQUITO OBSERVATIONS
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- The Canadian Entomologist / Volume 41 / Issue 7 / July 1909
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- 31 May 2012, pp. 233-235
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The Bureau of Entomology, its History, Activities and Organization, by Gustavus A. Weber. Service Monographs of the United States Government. No. 60 : The Brookings Institution, Washington, D.C., 1930, Price $1.50.
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- The Canadian Entomologist / Volume 62 / Issue 10 / October 1930
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- 31 May 2012, p. 238
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A SAMPLING SYSTEM FOR EGGS OF WESTERN BLACKHEADED BUDWORM, ACLERIS GLOVERANA (WALSINGHAM) (LEPIDOPTERA: TORTRICIDAE), ON WESTERN HEMLOCK, TSUGA HETEROPHYLLA (RAF.) SARG.
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- The Canadian Entomologist / Volume 122 / Issue 3 / June 1990
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- 31 May 2012, pp. 555-562
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DESCRIPTION OF THE IMMATURE STAGES AND NOTES ON THE BIOLOGY OF NEOTEPHRITIS FINALIS (LOEW.) (DIPTERA: TEPHRITIDAE), A PEST OF SUNFLOWERS IN SASKATCHEWAN, CANADA
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- The Canadian Entomologist / Volume 121 / Issue 9 / September 1989
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- 31 May 2012, pp. 729-735
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THE ENTOMOLOGICAL CLUB OF THE A.A.A.S.
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- The Canadian Entomologist / Volume 20 / Issue 7 / July 1888
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- 31 May 2012, p. 136
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BIOASSAY OF TOXICITY OF INSECTICIDES IN SOIL USING EGGS AND LARVAE OF THE CABBAGE MAGGOT, HYLEMYA BRASSICAE (DIPTERA: ANTHOMYIIDAE)1
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- The Canadian Entomologist / Volume 115 / Issue 6 / June 1983
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- 31 May 2012, pp. 573-576
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Distributional Notes on and Synonymies of Some North American Scolytidae (Coleoptera)1
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- The Canadian Entomologist / Volume 89 / Issue 9 / September 1957
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- 31 May 2012, pp. 396-403
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OCCURRENCE OF CULISETA MELANURA (DIPTERA: CULICIDAE) IN CANADA
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- The Canadian Entomologist / Volume 105 / Issue 10 / October 1973
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- 31 May 2012, p. 1359
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A NEW SPECIES OF GAURAX (DIPTERA: CHLOROPIDAE) FROM QUEBEC AND ONTARIO
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- The Canadian Entomologist / Volume 99 / Issue 6 / June 1967
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- 31 May 2012, pp. 641-644
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WITHIN-TREE DISTRIBUTION OF THE PUPAE OF THANASIMUS DUBIUS (COLEOPTERA: CLERIDAE), A PREDATOR OF THE SOUTHERN PINE BEETLE (COLEOPTERA: SCOLYTIDAE)1
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- The Canadian Entomologist / Volume 113 / Issue 5 / May 1981
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- 31 May 2012, pp. 387-394
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HYMENOPTEROUS PARASITOIDS OF FILTH FLY (DIPTERA: MUSCIDAE) PUPAE IN CATTLE FEEDLOTS
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- The Canadian Entomologist / Volume 131 / Issue 3 / June 1999
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- 31 May 2012, pp. 347-362
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Studies of Predators of the Balsam Woolly Aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae): IX. Pullus impexus (Muls.) (Coleoptera: Coccinellidae), An Introduced Predator in Eastern Canada1,2
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- The Canadian Entomologist / Volume 93 / Issue 12 / December 1961
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- 31 May 2012, pp. 1162-1168
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OBSERVED AND SIMULATED CHANGES IN GENETIC QUALITY IN NATURAL POPULATIONS OF HYPHANTRIA CUNEA
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- The Canadian Entomologist / Volume 103 / Issue 6 / June 1971
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- 31 May 2012, pp. 893-906
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