Xylodiplosis nigritarsis (Zetterstedt, 1850)
on Fraxinus, Quercus
wing (from Rübsaamen, 1892b)
parasite
Blood red, quite slender larvae develop in the xylem vessels, when they have become accessible for oviposition, most often by a saw cut. In the forest it is possible to find ovipositing females in a circle on a freshly cut oak stump. In the larvae the lobes ay the tip of the spatula are distinctly wider than long.
host plants
polyphagous
Fraxinus excelsior; Quercus petraea, robur.
distribution within Europe
PESI (2021).
larva
anal segments, dorsal (from Kieffer, 1901a)
synonyms
Diplosis nigritarsis; Diplosis, Xylodiplosis, praecox (Winnertz, 1853).
predators
references
Elven, Haarder, Sørlibråten, ao (2024a), Kierrer (1888c, 1901a. 1904c), Nijveldt (1980a), Roskam & Carbonelle (2015a), Rübsaamen (1892b), Skuhravá (2009a), Skuhravá & Skuhravý (2021a: 218, Skuhravá, Skuhravý & Dengler (1997a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a).