Volucella inanis
Encyclopedia
Volucella inanis is a species of hoverfly
belonging to the family Syrphidae.
species), thistles (genera Carduus
, Cirsium
, and Onopordum
) and Buddleja davidii
.
They have three yellow bands on an otherwise black abdomen and thus closely resemble wasp
s in a form of mimicry. The first two bands are completely or partially interrupted by a black wedge. The head has feather-like antennae
and the wings
have darkened patches in the middle and on the tip.
The female lays eggs in the nests of social wasps and hornets (Vespa crabro, Vespula germanica, etc.). The larvae of this hoverfly are ectoparasites of larvae of the wasps.
, in East Palearctic ecozone, in the Near East
and in North Africa
.
Hoverfly
Hoverflies, sometimes called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the larvae eat a wide range of foods...
belonging to the family Syrphidae.
Description
The adults reach 15–17 mm (0.590551181102362–0.669291338582677 ) long and can be encountered from early July to early September, feeding on flowers of various species such as yarrow (Achillea millefolium), dill (Anethum graveolens), heather (EricaErica
Erica ,the heaths or heathers, is a genus of approximately 860 species of flowering plants in the family Ericaceae. The English common names "heath" and "heather" are shared by some closely related genera of similar appearance....
species), thistles (genera Carduus
Carduus
Carduus is a genus of about 90 species of thistles in the family Asteraceae, native to Europe, Asia and Africa. Carduus is Latin for a thistle....
, Cirsium
Cirsium
Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more accurately known as Plume thistles. These differ from other thistle genera in having feathered hairs to their achenes...
, and Onopordum
Onopordum
Onopordum L. is a genus of about 40 species of thistles belonging to the family Asteraceae, native to Europe , northern Africa, the Canary Islands, the Caucasus, and southwest and central Asia...
) and Buddleja davidii
Buddleja davidii
Buddleja davidii , also called summer lilac, butterfly-bush, or orange eye, is a native of Sichuan and Hubei provinces in central China and of Japan. It is widely used as an ornamental plant, and many named varieties are in cultivation. B...
.
They have three yellow bands on an otherwise black abdomen and thus closely resemble wasp
Wasp
The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that is neither a bee nor an ant. Almost every pest insect species has at least one wasp species that preys upon it or parasitizes it, making wasps critically important in natural control of their...
s in a form of mimicry. The first two bands are completely or partially interrupted by a black wedge. The head has feather-like antennae
Antenna (biology)
Antennae in biology have historically been paired appendages used for sensing in arthropods. More recently, the term has also been applied to cilium structures present in most cell types of eukaryotes....
and the wings
Insect wing
Insects are the only group of invertebrates known to have evolved flight. Insects possess some remarkable flight characteristics and abilities, still far superior to attempts by humans to replicate their capabilities. Even our understanding of the aerodynamics of flexible, flapping wings and how...
have darkened patches in the middle and on the tip.
The female lays eggs in the nests of social wasps and hornets (Vespa crabro, Vespula germanica, etc.). The larvae of this hoverfly are ectoparasites of larvae of the wasps.
Distribution
This species is present in most of EuropeEurope
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
, in East Palearctic ecozone, in the Near East
Near East
The Near East is a geographical term that covers different countries for geographers, archeologists, and historians, on the one hand, and for political scientists, economists, and journalists, on the other...
and in North Africa
North Africa
North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...
.