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silky bag of the Pine Processionary, thaumetopoea pityocampa, well formed, in the crown of a pine, with the worms inside, to protect itself from the morning cold
Caterpillar on pine tree
A nest in a pine tree in the Taurus Mountains near Alanya, Turkey, bears the tell-tale signs of a Pine processionary moth infestation. The nest of Thaumetopoea pityocampa caterpillars can be seen on one of its branches, with defoliation and damage to the surrounding needles evident. Pine trees absorb water through their needles which helps them withstand arid conditions. These caterpillars are known for their toxicity, causing skin irritation and respiratory problems in humans and animals alike. As forest management techniques and climate change adaptation become increasingly important, the survival of ecosystems and biodiversity in the face of pests like the Pine processionary moth remains a crucial challenge
Pine processionary caterpillars are building their nest on a pine tree branch, posing a potential threat to the tree's health and surrounding environment
Bag or nest hanging from the branches infected with the  pine processionary in winter - Saco o nido colgado de las ramas en pinos infectados con la procesionaria, en invierno
Nests of the pine processionary caterpillar in woodland
Pile of processionary caterpillars on the ground, Thaumetopoea pityocampa
Thaumetopoea pityocampa worms from Barcelona's pine trees. \n\nThe pine processionary is a real pest this year near Barcelona and all Catalonia.
A close-up photograph of a pine tree branch infested with a pine processionary caterpillar nest (Thaumetopea pityocampa). The silky web nest is clearly visible among pine needles and cones, with a forest background. This image documents the environmental impact and spread of a dangerous forest pest, known for defoliating trees and causing allergic reactions in humans and animals.
Several nests are at the tip of several branches of a pine tree where the processionary caterpillars lay their nests during the months of February and March to proceed to break free leaving the insect pest.
Processionary caterpillar cocoon on a pine tree
Caterpillar nesting webs in a tree
Processionary spider web toxic for plants and men
Caterpillar web on tree at Albany Pine Bush Preserve, Albany, New York, USA
Nests in pine trees in the Taurus Mountains near Alanya, Turkey (Turkiye), bears the tell-tale signs of a Pine processionary moth infestation. The nest of Thaumetopoea pityocampa caterpillars can be seen on one of its branches, with defoliation and damage to the surrounding needles evident. Pine trees absorb water through their needles which helps them withstand arid conditions. These caterpillars are known for their toxicity, causing skin irritation and respiratory problems in humans and animals alike. As forest management techniques and climate change adaptation become increasingly important, the survival of ecosystems and biodiversity in the face of pests like the Pine processionary moth remains a crucial challenge.
Thaumetopoea pityocampa nest on Barcelona's pine tree. \n\nThe pine processionary is a real pest this winter near Barcelona.
Cocoon of pine processionary caterpillars in a pine tree
In the past, insects like these would have been controlled with pesticides, but today they are recognized as an important part of the ecosystem. This photo was taken at Amager Fælled, a popular nature area just 20 minutes from downtown Copenhagen, the capital of Denmark.
Pine processionary, Thaumetopoea pityocampa, use silk to create their nests in trees in warm Mediterranean climates.
Pine tree pest Thaumetopoea pityocampa.
Nests of processionary caterpillars on pine trees in winter that, due to the high temperatures, the worms themselves can be seen.
Caterpillar on pine tree
Forest pests. Nest of butterflies (Pine Processionary Caterpillar, Thaumetopoea pityocampa), made by caterpillars. Mediterranean Turkey, April
Thaumetopoea pityocampa nest on Barcelona's pine tree. \n\nThe pine processionary is a real pest this winter near Barcelona and in Catalonia.
In another phase or stage of growth of the Pine Processionary, thaumetopoea pityocampa, in which the caterpillar becomes larger, with which it eats more and the pines are left without needles, a large bush with worms inside and outside
Close-up view of a group of Ermine Moth caterpillars (genus Yponomeuta) clustered within their protective, intricate silken web on a branch of a European spindle tree (Euonymus europaeus). The image highlights the distinctive black spots on their bodies and the fine, almost translucent threads of their communal nest, with black frass (excrement) visible within the web.
Bag or nest hanging from the branches infected with the  pine processionary in spring - Saco o nido colgado de las ramas en pinos infectados con la procesionaria, en primavera
In the past, insects like these would have been controlled with pesticides, but today they are recognized as an important part of the ecosystem. This photo was taken at Amager Fælled, a popular nature area just 20 minutes from downtown Copenhagen, the capital of Denmark.
Thaumetopoea pityocampa nest in the pine
Malacosoma castrense (or Malacosoma castrensis), the ground lackey, is a moth of the family Lasiocampidae. It is a tent caterpillar found in Europe.\nThe length of the forewings is 13–16 mm for males and 17–21 mm for females. The moth flies from June to August, depending on the location.\nThe caterpillars feed on various shrubs and herbaceous plants such as heather, cypress spurge, and Lotus species (source Wikipedia).\n\nThis is a quite common Species in the Netherlands in Heathland Habitat.
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