Interspecific competition between the principal larval parasitoids of the pine sawfly, Neodiprion sertifer (Geoff.) (Hym.: Diprionidae)

Oecologia ◽  
1987 ◽  
Vol 73 (4) ◽  
pp. 621-625 ◽  
Author(s):  
H. Pschorn-Walcher
Keyword(s):  
Interspecific Competition ◽  
Neodiprion Sertifer ◽  
Pine Sawfly ◽  
Larval Parasitoids

Field response of the pine sawfly Neodiprion sertifer to the pheromone (2S, 3S, 7S)-diprionyl acetate and its stereoisomers

1992 ◽  
Vol 62 (2) ◽  
pp. 169-181 ◽  
Author(s):  
O. Anderbrant ◽  
J. Löfqvist ◽  
H.-E. Högberg ◽  
E. Hedenström ◽  
A.-B. Wassgren ◽  
...  
Keyword(s):  
Neodiprion Sertifer ◽  
Pine Sawfly ◽  
Field Response

CANDLING AND SIGHTING TECHNIQUES USED IN LASER INVESTIGATIONS OF THE EUROPEAN PINE SAWFLY, NEODIPRION SERTIFER (HYMENOPTERA: DIPRIONIDAE)

1967 ◽  
Vol 99 (6) ◽  
pp. 670-672 ◽  
Author(s):  
Ronald W. Kobylnyk
Keyword(s):  
Laser Treatment ◽  
Light Transmission ◽  
Transmitted Light ◽  
Neodiprion Sertifer ◽  
Accurate Assessment ◽  
Pine Sawfly ◽  
Avian Eggs ◽  
Egg Shell ◽  
European Pine Sawfly ◽  
Zoology Department

Laser treatment of larval and pupal stages within cocoons of Neodiprion sertifer (Geoff.) requires an accurate assessment of viability and the antero-posterior alignment of the cocoon content. The use of the candling technique to assess qualitative features of avian eggs depends on the translucency of the egg shell and the differences in light transmission by other elements within it (Romanoff and Romanoff 1949). Transmitted-light methods have been employed for insects within cocoons by Cushman (1913) and Hanna (1935). A type of candling technique different from previous methods and which was developed in the Zoology Department, University of Guelph, enables N. sertifer cocoon content to be ascertained and is herein described.

scholarly journals Mating disruption of the pine sawfly Neodiprion sertifer (Hymenoptera: Diprionidae) in isolated pine stands

2002 ◽  
Vol 4 (3) ◽  
pp. 195-201 ◽  
Author(s):  
Antonio Martini ◽  
Nadia Baldassari ◽  
Piero Baronio ◽  
Olle Anderbrant ◽  
Erik Hedenstrom ◽  
...  
Keyword(s):  
Mating Disruption ◽  
Neodiprion Sertifer ◽  
Pine Sawfly ◽  
Pine Stands

Preparation of Streochemically Pure Sex Pheromone Components of the Pine Sawfly (Neodiprion sertifer) and Field Tests of the Synthetic Compounds

1990 ◽  
Vol 54 (7) ◽  
pp. 1753-1762 ◽  
Author(s):  
Akira Tai ◽  
Naotake Morimoto ◽  
Masato Yoshikawa ◽  
Kazuya Uehara ◽  
Takashi Sugimura ◽  
...  
Keyword(s):  
Sex Pheromone ◽  
Field Tests ◽  
Neodiprion Sertifer ◽  
Synthetic Compounds ◽  
Pine Sawfly ◽  
Sex Pheromone Components ◽  
Pheromone Components

Effects of Temperatures of Rearing on Reproduction of Aptesis basizona (Grav.) (Hymenoptera: Ichneumonidae)

1961 ◽  
Vol 93 (9) ◽  
pp. 799-801 ◽  
Author(s):  
Thelma Finlayson
Keyword(s):  
Cold Storage ◽  
Reproductive Capacity ◽  
Neodiprion Sertifer ◽  
Immature Stages ◽  
Pine Sawfly ◽  
Pine Sawflies ◽  
European Pine Sawfly

Aptesis basizona (Grav.), a parasite of pine sawflies in Europe, was propagated at Belleville, Ont. (Green, 1938) for release against the European spruce sawfly, Diprion hercyniae (Htg.), the European pine sawfly, Neodiprion sertifer (Geoff.) and other Diprionidae. Development of the insects in the laboratory was allowed to continue until feeding was completed and cocoons were spun, and was then retarded by placing the insects in cold storage pending shipment to release areas. Frequently stock for propagation was incubated after a period of cold storage, and occasionally the schedule was interrupted by decreases in the reproductive capacity of the adults. It seemed that there was some relationship between the fertility of the adults and the temperatures at which the immature stages were held, both while feeding and after they had reached the fully-fed stage. Experiments were initiated to investigate this hypothesis.

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