Plant Parasites of Europe

leafminers, galls and fungi

Physokermes hemicryphus

Physokermes hemicryphus (Dalman, 1826)

small spruce bud scale

on Abies, Picea

Physokermes hemicryphus: female

© United States National Collection of Scale Insects Photographs, USDA Agricultural Research Service, Bugwood.org

Physokermes hemicryphus: female

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parasite

Post-reproductive female bud-like, shiny, dark or reddish brown; up to 4.5 mm long and 4 mm wide; in shoot-axils. Parthenogenetic.

host plants

Pinaceae, oligophagous

Abies alba, borisii-regis, cephalonica; Picea abies, glauca, orientalis, pungens.

Only rarely on Abies.

phenology

Univoltine; hibernation as 2nd instar larva.

references

Ćwierzyk & Dziedzicka (1987a), Dziedzicka (1988a), Fetykó (2014a), Gertsson (2016a), Gertsson & Isacsson (2012a, 2014a), Hellrigl (2004a), Hoffmann (2002a), Jansen (1999b, 2013a), Koteja & Żak-Ogaza (1966a), Kozár, Guignard, Bachmann ao (1994a), Kozár & Ostafichuk (1987a), Malumphy (2010a), Malumphy & Ostrauskas (2009a), Malumphy, Ostrauskas & Pye (2008a, 2010a), Santas (1988a), Schmutterer & Hoffmann (2003a), Seljak (2010a), Simonović, Dervišević & Graora (2018a), Soria, del Estal & Viñuela (1998a), Żak-Ogaza & Koteja (1964a).

Last modified 8.x.2020