Subfamilia: CERAMBYCINAE / Tribus: ACHRYSONINI
[Photo © David Navrátil, click on the picture for 4K resolution]
Crotchiella brachyptera, described by Gustav Israelson in 1985 [❖], is very rare endemic montane species of laurisilva forests in Azores Island. This endangered species develop in dead branches of Laurus azorica, Vitis vinifera and Ilex. The larvae feed subcortically, create meandering galleries filled with a fine and compressed sawdust. Last instar penetrate the wood and pupate in a simple pupal cell. [✮].
Body length: 5 - 10 mm Life cycle: 2 years Adults in: May - June Host plant: polyphagous species (Laurus azorica, Vitis vinifera and Ilex) Distribution: a endemic relict species to Azores Island
The mounted specimens were reared (ex ovo and ex larva) from Laurus azorica twigs collected in Povoacao environs (São Miguel, Azores Islands, Portugal) in May 2018 and March 2018. The depicted living male beetle was reared from larva collected in São Miguel (Azores Islands, Portugal)Collected by our friends Jiří Kadlec and Ladislav Karaus
[❖]
Israelson G.:
A relict longhorn beetle from the Azores (Coleoptera, Cerambycidae).
Revista Brasileira de Entomologia 29 (3/4): 475-479, 1985. [download]
[✮]
Vives E. and Trócoli S:
Cerambycidae de la Macaronesia (Coleoptera, Cerambycidae).
Faunitaxys 9 (44): 1–50, 2021. [download
[Photo © Petr Jelínek]
[Photo © Petr Jelínek]
| Subfamilia | Cerambycinae Latreille, 1802 |
| Tribus | Achrysonini Lacordaire, 1869 |
| Genus | Crotchiella Israelson, 1985 |
| Species | Crotchiella brachyptera Israelson, 1985 |