Animal / parasite
female of Mutilla europaea parasitises nest of Bombus
Mutilla europaea can reach a body length of 11–17 millimetres (0.43–0.67 in) in males, of 10–15 millimetres (0.39–0.59 in) in the females. These wasps are covered in dense velvet-like hair. Males have dark, transparent wings, while females are wingless and may frequently be confused with members of the true ant family (hence the common name of Velvet Ants). Adults display aposematic coloration, consisting of black overall coloring with an orange-red patch on the dorsal surface of the thorax. On the abdomen there are three whitish or yellowish hairy bands. The adults can be found from the end of May to end of August.
Mutilla europaea are mainly parasitoids of the resting stage of bumblebees (Bombus spp.), but occasionally visits honey bee (Apis mellifera) hives and Polistes wasps nests, ovipositing inside the cocoons. The larva of this wasp eats the immature bumble bee larva and nymphs and feed on the host honey and pollen stores. Then the larva of Mutilla spins a cocoon inside that of its Bombus.
This parasitic wasp is mainly mountainous and it is particularly widespread in the Alps, but can also be found in different habitats (woodland, grassland, etc.).
|Wikimedia Commons has media related to Mutilla europaea.|
- Fauna Europaea
- G R Else and J P Field Bees, Wasps & Ants Recording Society
- Alessia Uboni, M. Cristina Lorenzi Poor Odors, Strength, and Persistence Give Their Rewards to Mutilla europaea Visiting Dangerous Wasp Nests
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