So, while children may find it fun to pick up and play with a caterpillar, they could be inviting an itchy and even painful rash . Following the silk road: Processionary caterpillars in our suburban garden: Part 1 ... hence the collective name for this type of caterpillar: processionary caterpillar. The pine processionary moth hatches around May to July and only lives for about a day. The caterpillars usually initially feed high up in oak trees, and at this stage often go unnoticed. Best advice.

Stay away from any pine trees with the nests of the Pine Processionary Caterpillar. The eggs hatch in spring, between March and late April. ... as usually this takes place later in the season. For Arrernte people the length of the train of processionary caterpillars (iwepe, the juveniles of the bag-shelter moth) is an indicator of the severity of the forthcoming cold season.
Processionary caterpillar, larval stage characteristic of the small insect family Thaumetopoeidae (order Lepidoptera), sometimes classified as part of the prominent moth family (Notodontidae). In all cases, caterpillar traps (sticky bands around the tree trunks) can be set before the start of the winter processionary season (at which time the caterpillars abandon the pine trees to bury themselves in the soil), to avoid the risk of urtication caused by caterpillars on the ground. Perhaps put your dog on …

By late spring to early summer the caterpillars become larger (20-25 mm) and are dark in colour covered with many white hairs. The pine processionary caterpillar (Thaumetopoea pityocampa) will, during late winter/early spring, be coming out of pine trees and forming conspicuous snake-like lines. The oak processionary caterpillar is originally a southern European species but has been spreading northwards due to climate change. Arandic languages name two broad seasons: the ‘hot season’ and the ‘cold season’. During the movement each larva lays down a silken thread. Background Thaumetopoea processionea L. (order Lepidoptera), the oak processionary moth, is found in oak forests in most European countries. The caterpillars of this moth have bristles which contain a toxin that can cause health problems. These caterpillars hatch from, often large, nests up in the trees. Its third to sixth larval instars are armed with poisonous hairs (setae) containing an urticating toxin (thaumetopoein) potentially harmful to humans. In Central Europe, the two main causes of caterpillar dermatitis are the oak and pine processionary caterpillar. There are several species of processionary caterpillars in the world, all of them hairy. Stay away from killer processionary caterpillars. The pine processionary moth T. pityocampa is currently showing an expansion northwards and higher in altitude in Europe due to increased winter temperatures (Hodar and Zamora, 2004, Battisti et al., 2005, Robinet et al., 2007). In Louvain, Belgium, firefighters had to destroy nests of the invasive species before a rock concert. These hairy caterpillars live in communal webs and march in columns to their food source. Caterpillar dermatitis or lepidopterism (Lepidoptera = butterflies) is a toxic-irritant, or rarely allergic, reaction triggered by the release of histamine, thaumetopoein and other kinins from the hairs of butterflies and caterpillars.

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