PATHOGENICITY TESTS OF NUCLEAR POLYHEDROSIS VIRUSES INFECTING THE EASTERN HEMLOCK LOOPER, LAMBDINA FISCELLARIA FISCELLARIA (LEPIDOPTERA: GEOMETRIDAE)
- 1 December 1970
- journal article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 102 (12), 1534-1539
- https://doi.org/10.4039/ent1021534-12
Abstract
Larvae of the eastern hemlock looper, Lambdina fiscellaria fiscellaria (Guen.), are susceptible to a nuclear polyhedrosis virus as well as nuclear polyhedrosis viruses isolated from the western hemlock looper, L. f. lugubrosa (Hulst), and the western oak looper, L. f. somniaria (Hulst). The pathogenicity of these viruses was similar when tested on eastern hemlock looper larvae and it is suggested that the same virus infects the three subspecies. Resistance to the virus did not increase with age; second-, third-, and fourth-instar larvae were equally susceptible. The period from ingestion to death varied with concentration of virus and rearing temperature. Results of pathogenicity tests are given.Keywords
This publication has 6 references indexed in Scilit:
- INFECTION AND MORTALITY OF SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA, AND FOREST TENT CATERPILLAR, MALACOSOMA DISSTRIA, CAUSED BY NUCLEAR AND CYTOPLASMIC POLYHEDROSIS VIRUSESThe Canadian Entomologist, 1969
- Quantitative differences in susceptibility to nuclear-polyhedrosis virus among larval Instars of the forest tent caterpillar, Malacosoma disstria (Hübner)Journal of Invertebrate Pathology, 1965
- SUSCEPTIBILITY OF LAMBDINA FISCELLARIA SOMNIARIA (HULST) (GEOMETRIDAE) AND LAMBDINA FISCELLARIA LUGUBROSA (HULST) (GEOMETRIDAE) TO VIRUSES FROM SEVERAL SPECIES OF LEPIDOPTEROUS INSECTSCanadian Journal of Microbiology, 1964
- A VIRUS DISEASE OF WESTERN HEMLOCK LOOPER, LAMBDINA FISCELLARIA LUGUBROSA (HULST) (LEPIDOPTERA: GEOMETRIDAE)Canadian Journal of Microbiology, 1957
- History of the Hemlock Looper, Lambdina fiscellaria fiscellaria (Guen.), (Lepidoptera: Geometridae) in Newfoundland, and Notes on Its BiologyThe Canadian Entomologist, 1956
- Some Factors Affecting the Susceptibility of the Armyworm to Virus Infections1Journal of Economic Entomology, 1956