37.01. Xyleborus cryptographus (Ratzeburg, 1837)
Presence
E: AU BE BY CR CT CZ DE EN FI FR GE GR HU IT LA MC MD NR NT PL SK SL SP ST SV SZ UK YU »Caucasus«
A: ES FE KZ WS
Older catalogs and keys – citations of name
Siegel 1866: Bostrychus cryptographus Rtzb.; Grüne 1979: Xyleborus cryptographus Ratzeburg, 1837; Freude, Harde, Lohse 1981: Xyleborus cryptographus Ratzeburg; Pfeffer & Knížek 1993: X. cryptographus (Ratzeburg, 1837); Pfeffer 1995: X. cryptographus (Ratzeburg, 1837).
Figure 173: Xyleborus cryptographus, distribution map according to historical and recent data
Ecology and presence in Slovenia
The species occurs in Europe, Siberia, eastern Russia and Kazakhstan. Siegel (1866) states that the species was “rare in Carniola, in rotting poplars”. In Slovenia, the species was recorded only once in the 20th century, in 1929 in Štajerska (Figure 173). The next record, near Ljubljana, was made only in 2018. Based on these data, it can be stated that the species is rare in Slovenia. Hosts include Populus tremula, P. nigra and P. alba. Except for Siegel’s data, we have no host data for Slovenia; the specimen near Ljubljana was caught in an ethanol trap. The length of the male is 1.5 mm and that of the female 2,3-2,5 mm. The body is cylindrical. The neck shield is spherical, moderately densely and moderately deeply punctated.