Category Archives: Insects of Grazalema

Dangers of Pine Processionary Caterpillars

When in Spain many people may wonder about scorpions, spiders and venomous snakes and will not be aware that they are much more likely to endanger themselves and their pets by getting too close to an innocent looking line of caterpillars that can be found crossing a pavement, road or footpath during the first months of each year.

The pine processionary caterpillar (Thaumetopoea pityocampa) will, during late winter/early spring, be coming out of pine trees and forming conspicuous snake-like lines. They will not be far from a pine tree, but that does not mean that you will only see them in large pine woods, they are just as likely to be found in villages and road side plantings in fact wherever pine trees are present. One of the first signs to be aware of is their white silken nests attached to a branch tip, these become most obvious around December to March. (These caterpillars are known as ‘procesionaria del pino’ in Spanish) Continue reading Dangers of Pine Processionary Caterpillars

Summer insects in the Sierra de Grazalema

Summer time is when many insects reach the adult phase of their life. They may have spent months, even years as a larva, drab in colour and unable to move far, possibly living underwater or underground. Now, in this last stage of their lifecycle, they might be brightly coloured, able to fly or to emit sounds and so they become more obvious to us. Insects are a very important part of the food chain on which we depend. Continue reading Summer insects in the Sierra de Grazalema