Gratis billeder : græs, græsplæne, blad, blomst, urt, insekt, flora, fauna, hvirvelløse, Busk, blufftrail, montanadeorostatepark, westerntentcaterpillar, malacosomacastrense, blomstrende plante, jord plante 2592x1936

græs, plante, græsplæne, blad, blomst, urt, insekt, flora, fauna, hvirvelløse, Busk, blufftrail, montanadeorostatepark, westerntentcaterpillar, malacosomacastrense, blomstrende plante, jord plante

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Montaña de Oro State Park - Bluff Trail - The larvae was on a Sticky Monkey Plant. Western tent caterpillar is an early season defoliator with feeding damages typically occurring between May and June. Symptoms include moderate to complete defoliation of trees; large silken tents on branches; and presence of larvae in and around the tents. Trees repeatedly defoliated will have sparse foliage, minor branch dieback, and in some cases, tree mortality. (USDA). Biology: Larvae overwinter as first instars inside egg masses glued around twigs. Larvae emerge from egg masses in spring and construct silken tents on branches that are used for shelter and molting during the daytime. At night, caterpillars feed outside of the tents. As the larvae mature, they disperse and become solitary feeders. Moths emerge from cocoons and glue egg masses to live twigs that are less than 2 cm in diameter. (USDA)

Den frie høj opløsning foto af græs, plante, græsplæne, blad, blomst, urt, insekt, flora, fauna, hvirvelløse, Busk, blufftrail, montanadeorostatepark, westerntentcaterpillar, malacosomacastrense, blomstrende plante, jord plante

, taget med en iPod touch 01/13 2017 Billedet taget med 4.0mm, f/2.4s, 1/202s, ISO 32