Weevils - Entomological Society of Canada

females oviposit in dead leaves of red oak (Quercus rubra) and
sweet-fern (Comptonia peregrina). Larval development proceeded
normally in these other leaf types. Eggs hatch in 8-10 days in the
Iaboratory and larvae develop to the fourth instar in 3-4 months. The
mesophyll layer of an average leaf was completely consumed by two or
three larvae. Fourth-instar larvae leave the leaf and enter the soil to
pupate and overwinter. Larvae mine dead leaves of oak (Quercus
species), walnut (Juglans species), dogwood (Cornus species), hickory
(Carya species), and black gum (Nysso species). Adults feed on sassafras
(Sassafras species) and have been swept from low vegetation.
+l
-q1*
Map 26. Collection localities of Eugnamptua angustotus.
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