| Pachytodes cerambyciformis (Schrank, 1781) |
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Scientific name: Pachytodes cerambyciformis (Schrank, 1781) Common name: Other names: Other scientific name: Judolia cerambyciformis. French name: Lepture en forme de Capricorne Order: Coleoptera Family: Cerambycidae Wingspan : 7-12 mm. Biotope: Places with trees and flowers, in particular in hilly or mountainous areas. Geographic area: Southern and central Europe, the Caucasus, Asia Minor. Observation period : June to August. |
Pachytodes cerambyciformis shows dull straw yellow rather short elytra. They are about twice as long as wide and they strongly taper at the rear. You can often see small black spots on the shoulders, one larger spot next to the costal edge just after the middle of the elytra length and a black apex. About forty different arrangements of spots are known. You can find, very exceptionally, beetles missing all the spots. The body is black and covered with dense and short blond hairs. The legs and antennae are long and thin. The third article of the hind tarsi is strongly divided, almost from its base. The development cycle takes two years. The larvae feed on the roots of various deciduous and coniferous trees. They leave the roots in April or May to pupate under the ground. There is a possible confusion with Pachytodes erraticus. This last one bears more shiny and more finely punctuated elytra. The third article of the hind tarsi is not so strongly divided. |
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The dull colour of the elytra and the strongly divided hind tarsi (better visible on the next picture) indicate the Pachytodes cerambyciformis species. |
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This is, today, my only observation of this longhorn beetle species in my garden. |
André Bon March 2017