Sphaeroderma testaceum (Fabricius, 1775)

on Carduus, Cirsium, Silybum

Sphaeroderma testaceum

Holterberg forest track; heavily infested creeping thistle.

Sphaeroderma testaceum

Cirsium vulgare, Vlaardingen

Sphaeroderma testaceum

Cirsium arvense, Amstelveen

Sphaeroderma testaceum: mine and larva on Cirsium arvense

Cirsium arvense, Zeewolde

mine

Long corridor, often following the leaf margin, with little frass and with the sides irrregularly eaten out. The first part of the corridor is full depth and makes a few close loops; the later part is more upper-surface and rather wide. Primary feeding lines often conspicuous.

hostplants

Asteraceae,oligophagous

Carduus acanthoides, nutans, pycnocephalus; Cirsium acaulon, arvense, eriophorum, oleraceum, palustre, tuberosum, vulgare; Silybum.

phenology

Larvae live from August till June next year (Hering, 1957a).

BENELUX

BE observed (Fauna Europaea, 2007).

NE observed (Beenen & Winkelman, 1993a; Fauna Europaea, 2007).

LUX observed Fauna Europaea, 2007).

distribution within Europe

All Europe (Fauna Europaea, 2007; Warchalowski, 2003a).

larva

references

Ahr (1966a), Beenen & Winkelman (1993), Beiger (1958a, 1970a), Buhr (1933a, 1964a), Bukejs (2009a), Cox (2007a), Doguet (1994a), Hering (1925a, 1930a, 1957a), Huber (1969a), Maček (1999a), Michalska (1970a), Rheinheimer & Hassler (2018a), Robbins (1991a), Nowakowski (1954a), Skala & Zavřel (1945a), Sønderup (1949a), Starý (1930a), Steinhausen (1994a), Warchalowski (2003a), Zoerner (1969a, 1970a).

mod 29.v.2018