Arachnida: Hasarius adansoni

Hasarius adansoni, commonly known as the Adanson's House Jumper, is a small yet fascinating spider species belonging to the family Salticidae, which comprises jumping spiders. Although native to warm regions, this species has spread to numerous parts of the world, including the Comunidad Valenciana.

Key Features:

• These spiders are relatively small, with males usually measuring around 4-6 mm in length, while females tend to be slightly larger, about 5-8 mm.
• The males have a distinctive black body with iridescent blue or green chelicerae, while females are typically a dull brown with subtle markings.
• Their large anterior median eyes give them excellent vision, which is crucial for their active hunting lifestyle.
• Like other jumping spiders, they do not build webs to catch prey but rely on their agility and keen eyesight to stalk and capture insects.

Habitat:

• Hasarius adansoni can often be spotted in gardens, on building walls, and in various urban areas, making them quite common across the Comunidad Valenciana.
• They are adaptable and can thrive in a variety of environments as long as there are plenty of insects to prey upon.

This intriguing spider is a prime example of the unique and adaptable arachnid fauna found within the rich biodiversity of the Comunidad Valenciana region.