Archips infumatana (Zeller, 1875)

Distinguished from other Archips species by combination of geographic range, host plant associations, and genitalia morphology. Similar to A. purpurana and A. cerasivorana but separable by forewing pattern details and male genitalia. Larval identification to species level requires rearing to adult or molecular analysis. Specimens may be confused with A. crataegana, though that species has not been confirmed from the northern portions of A. infumatana's range.

Adults are medium-sized tortricid moths with wingspan typical of the genus Archips. Forewings display variable brownish-gray coloration with darker transverse bands, consistent with the species epithet "infumatana" (smoked). Wing pattern includes distinct costal fold in males. Larvae are green to brownish caterpillars with dark head capsules, typical of tortricine leafrollers.

Deciduous forests, woodland edges, suburban areas with host trees, and orchards. Associated with hickory-dominated and mixed hardwood habitats. Larval microhabitat consists of rolled or folded leaves of host plants.

Eastern and central North America: Quebec and Ontario (Canada) south to Florida (USA), west to Texas and Iowa. Records from Vermont confirmed. Absent from western North America.

Adults active during summer months. Larval development occurs spring through summer, with overwintering likely as eggs or early instars (specific phenology not well documented).

Larvae feed on leaves of hickory (Carya spp.) and related hardwoods. Specific host range includes hickory species, with common name 'Hickory Webworm' indicating primary association. Complete host plant list not fully documented.

• Carya - larval food plantprimary host; genus of hickories and pecans

Holometabolous. Eggs laid on host plants. Larvae construct silk-bound leaf rolls or webs for feeding and shelter. Pupation occurs within larval shelters or in leaf litter. Adults emerge, mate, and oviposit. Specific details of voltinism and overwintering stage require confirmation.

Larvae exhibit typical tortricid leaf-rolling behavior, using silk to bind leaves into shelters. When disturbed, larvae may drop from shelters on silk threads (bungee-like escape response). This behavior is exploited by predatory wasps. Adults are nocturnal and attracted to light.

Herbivore in deciduous forest ecosystems. Larvae serve as prey for solitary wasps including mason wasps (Ancistrocerus unifasciatus and related Eumeninae), which paralyze caterpillars as provisions for offspring. Contributes to nutrient cycling through herbivory and as food source for higher trophic levels.

Minor pest of hickory and pecan in some regions; common name 'Hickory Webworm' reflects occasional economic concern. Not considered major agricultural pest. Used as research organism in studies of parasitoid wasp hunting behavior. Subject of citizen science documentation through iNaturalist.

• Archips purpuranaSimilar size, coloration, and leaf-rolling larval behavior; distinguished by forewing pattern details and male genitalia; A. purpurana has goldenrod as documented host
• Archips cerasivoranaOverlapping range and appearance; separable by genitalia and host plant preferences
• Archips crataeganaSimilar morphology; A. crataegana has more northern distribution with records from Finland and lacks confirmed occurrence in Murmansk region or northern Karelia despite historical misidentifications

Historical misidentifications in faunistic literature have confused this species with related Archips taxa, particularly in northern border regions. Some published records of A. crataegana, A. podana, and related species from the Murmansk oblast of Russia have been dismissed as erroneous, though these do not directly pertain to A. infumatana's range.

• leafroller
• tortricid
• hickory pest
• parasitoid host

• BugGuide
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
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