Cabbage Root Maggot and Its Control in Canada [microform]With Notes on the Imported Onion Maggot and the Seed-corn MaggotAvArthur 1875-1959 Gibson,R. C. (Reginald Charles) . Trehernem. fl.Häftad, Engelska, 2021182 krLägg i varukorgLägg tillSkickas inom 5-8 vardagar
Strawberry Root Weevil (Otiorhynchus Ovatus Linn.) in British Columbia [microform]With Notes on Other Insects Attacking Strawberry Plants in the Lower Fraser ValleyAvR. C. (Reginald Charles) . Treherne,Canada Division of Entomologym. fl.Häftad, Engelska, 2021182 krLägg i varukorgLägg tillSkickas inom 5-8 vardagar
Cutworms and Their Control [microform]AvArthur 1875-1959 Gibson,R. C. (Reginald Charles) . Trehernem. fl.Häftad, Engelska, 2021168 krLägg i varukorgLägg tillSkickas inom 5-8 vardagar
Insects Economically Important in the Lower Fraser Valley [microform]Being a Paper Read Before the B.C. Entomological Society, January 23rd, 1914AvR. C. (Reginald Charles) . TreherneHäftad, Engelska, 2021168 krLägg i varukorgLägg tillSkickas inom 5-8 vardagar
![Arthur 1875-1959 Gibson, R. C. (Reginald Charles) . Treherne, Canada Division of Entomology - Cabbage Root Maggot and Its Control in Canada [microform], Häftad. Tillgänglighet: Lägg i varukorg](https://image.bokus.com/images2/9781013729836_766)
![R. C. (Reginald Charles) . Treherne, Canada Division of Entomology, Dominion Experimental Farms and Stati - Strawberry Root Weevil (Otiorhynchus Ovatus Linn.) in British Columbia [microform], Häftad. Tillgänglighet: Lägg i varukorg](https://image.bokus.com/images2/9781014521163_766)
![Arthur 1875-1959 Gibson, R. C. (Reginald Charles) . Treherne, Canada Division of Entomology - Cutworms and Their Control [microform], Häftad. Tillgänglighet: Lägg i varukorg](https://image.bokus.com/images2/9781014687777_766)
![R. C. (Reginald Charles) . Treherne - Insects Economically Important in the Lower Fraser Valley [microform], Häftad. Tillgänglighet: Lägg i varukorg](https://image.bokus.com/images2/9781014727886_766)