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Crambus patella mating. Sod webworms have a bivoltine life cycle with four stages: egg, larva, pupa and imago (adult). They overwinter as larvae in their final or penultimate instar in the thatch or soil. With the coming of warmer weather, the larvae will pupate, and moths will appear in late spring or early summer.
Crambus fuscisquamellus Zeller, 1863. Pediasia trisecta, the large sod webworm or greater sod webworm, is a moth of the family Crambidae. It is found in the United States and southern Canada. [ 2] The wingspan is 23–33 mm. Adults are on wing from May to October. Adults feed solely on dew.
Fall webworms experience behavioral thermoregulation. [2] [16] The fall webworms' self-created web (which is where the fall webworms live) is able to trap heat. [2] [16] Due to this, the fall webworm (which is an ectotherm) is able to maintain a warm temperature of about 40-50 °C, which allows the larvae to grow and develop faster.
Full-grown larvae are about 20 mm long. Pupation occurs in a loosely-woven hibernaculum and takes about 7.3 days. After eclosion from the pupa, the adult moths live for about 13 days. The moth's wingspan is about 24 mm. The species is strictly nocturnal, with all major developmental steps (mating, egg laying, hatching of the young larvae ...
Agriphila vulgivagellus, the vagabond crambus or vagabond sod webworm, is a moth of the family Crambidae. It is found from Quebec and New England to Florida, west to Texas and north to Alberta. [2] The wingspan is 20–39 mm. Adults are on wing from August to October in one generation per year. The larvae feed on various grasses, as well as ...
Fissicrambus mutabilis, the changeable grass-veneer or striped sod webworm, is a moth of the family Crambidae. It is found from Quebec to Florida, west to Texas and Illinois and north to Ontario. [2] The wingspan is about 17 mm. Adults are on wing from June to August in two generations per year. The larvae feed on various grasses.
Herpetogramma phacopteralis. Herpetogramma phoeopteralis. Herpetogramma phaeopteralis, commonly known as the dark sod webworm, is a species of moth in the family Crambidae. It was described by Achille Guenée in 1854.
Parapediasia terrella. Parapediasia teterrellus, the bluegrass webworm moth, bluegrass webworm, bluegrass sod webworm moth or bluegrass sod webworm, is a moth of the family Crambidae. The wingspan is about 21 mm. Adults are on wing from May to October in two generations per year. The larvae feed on Poa species, Festuca arundinacea and ...