Glypta

Coniferous and mixed forests; associated with host trees of lepidopteran prey. Glypta fumiferanae cocoons have been observed on foliage of host trees during adult emergence periods.

Records from Denmark, Norway, Sweden, Vermont (USA), and broader North American distribution. Specific study populations documented in northern New Brunswick, Canada; Montana, USA; and British Columbia including Vancouver Island.

Adult Glypta fumiferanae show peak flight activity between 11:00-15:00. Males emerge 2-3 days before females. Activity influenced by temperature and solar radiation.

• Choristoneura fumiferana - PARASITOID_OFPrimary host; spruce budworm
• Choristoneura occidentalis - PARASITOID_OFWestern spruce budworm
• Choristoneura rosaceana - PARASITOID_OFObliquebanded leafroller; host of G. variegata
• Barbara colfaxiana - PARASITOID_OFDouglas-fir cone moth; host of G. evetriae
• Cydia nigricana - PARASITOID_OFPea moth; host of G. haesitator
• Grapholita molesta - PARASITOID_OFOriental fruit moth; host of G. rufiscutellaris
• Epinotia sp. - PARASITOID_OFLeaf-tier on hawthorn; alternative host of G. rufiscutellaris

Endoparasitoid development within host larvae. Glypta fumiferanae eggs or larvae lie dormant within hibernating host larvae, resuming development in spring when host breaks hibernation and begins feeding. Host typically killed when in sixth larval instar. Adult longevity 8-28 days with honey feeding, 2-5 days unfed. Fecundity 42-176 eggs with honey feeding, 4-89 eggs unfed.

Adults show greater activity in upper forest canopy than lower crown regions. Females search for hosts immediately after emergence. Males patrol host habitats seeking females. Flight activity synchronized with host availability and influenced by environmental conditions. Host location mediated by volatile chemical cues from host plants and hosts.

Primary parasitoid of forest lepidopteran pests; contributes to population regulation of spruce budworm and other tortricid moths. Potential biological control agent for outbreak populations of economically important forest insects.

Studied for biological control applications in forest pest management. Glypta fumiferanae and related species investigated for their capacity to reduce spruce budworm populations during outbreaks.

• Apanteles fumiferanaeAlso a primary parasitoid of spruce budworm; distinguished by killing host in fifth instar (versus sixth instar for Glypta) and different cocoon characteristics
• GlyptapanteleSimilar genus of ichneumonid parasitoids with comparable host relationships; distinguished by taxonomic characters and specific host associations

• parasitoid
• biological control
• forest pest
• Ichneumonidae
• spruce budworm
• endoparasitoid
• tortricidae parasitoid
• canopy insect
• population dynamics
• volatiles-mediated host location

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• What's It Like to Be Parasitized? | Bug Squad
• FURTHER NOTES ON SOME ALTERNATIVE HOSTS OF THE ORIENTAL FRUIT MOTH PARASITE, GLYPTA RUFISCUTELLARIS CRESS
• Temporal and Spatial Activity Patterns of an Adult Parasitoid, Glypta fumiferanae (Hymenoptera: Ichneumonidae), and their Influence on Parasitism
• The Interaction of the Spruce Budworm, Choristoneura fumiferana (Clem.), and the Parasite Glypta fumiferanae (Vier.)
• Parasitism of Spruce Budworm by Glypta and Apanteles at Different Crown Heights in Montana
• STUDIES ON PARASITES OF THE SPRUCE BUDWORM, ARCHIPS FUMIFERANA (Clem.): 2. Life History of Glypta fumiferanae (Viereck) (Hymenoptera, Ichneumonidae)
• Sources of volatiles mediating host location behaviour of Glypta haesitator, a larval parasitoid of Cydia nigricana
• Factors Affecting Assessment of Parasitization by Apanteles fumiferanae Vier. and Glypta fumiferanae (Vier.) on Spruce Budworm Larvae
• ELECTROPHORETIC TECHNIQUES FOR DETECTION OF GLYPTA FUMIFERANAE, AN ENDOPARASITOID OF WESTERN SPRUCE BUDWORM
• On the Life History of the Douglas-fir Cone Moth, Barbara colfaxiana (Kft.) (Lepidoptera: Olethreutidae), and one of its Parasites, Glypta evetriae Cush. (Hymenoptera: Ichneumonidae)
• OVIPOSITION BY GLYPTA FUMIFERANAE (HYMENOPTERA: ICHNEUMONIDAE) IN CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE) LARVAE AND THE EFFECT OF HONEY ON THEIR FECUNDITY AND SURVIVAL
• A biological assessment ofGlypta variegata(Hymenoptera: Ichneumonidae) as a parasitoid ofChoristoneura rosaceana(Lepidoptera: Tortricidae)
• The genus Orientoglypta Kuslitzky, 1973 (Ichneumonidae, Banchinae) from China with descriptions of four new species.