Identification keys and general biology are given in Richards (1980), Gauld & Bolton (1988) and Yeo & Corbet (1995). Females are wingless, but males are fully-winged.
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Submitted by Anonymous on
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British specimens of the wingless females have black heads, whereas, in Ireland and the Isle of Man, the females have red heads (Stelfox, 1933;Yarrow, 1954a). All males are winged and have black heads. Identification keys are given by Richards (1980) and Yeo & Corbet (1995).
Submitted by Anonymous on
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Previously Methocha ichneumonides (Latreille,1805) Identification keys and general biology are given in Champion & Champion (1914), Richards (1980), Gauld & Bolton (1988) and Yeo & Corbet (1995). Females are wingless, but males are fully winged.
Submitted by Anonymous on
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Identification keys and general biology are given in Morgan (1984) and Chapman (1870).
Submitted by Anonymous on
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Spooner (1973) introduced this species to the British list giving characters to separate it from Ancistrocerus parietum (Linnaeus) and A. gazella (Panzer). Identification keys and general biology are given in Nielsen (1932), Spradbery (1973), Felton (unpublished), Richards (1980) and Yeo & Corbet (1995).
Submitted by Anonymous on
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Yarrow (1954b) introduced this species to the British list giving characters by which it can be separated from A. parietum. Identification keys and general biology are given in Nielsen (1932), Spradbery (1973), Felton (unpublished), Richards (1980) and Yeo & Corbet (1995).
Submitted by Anonymous on
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Previously known as A. albotricinctus (Zetterstedt, 1838) and sometimes misidentified as A. trimarginatus (Zetterstedt, 1838). A colour form in Ireland and the Scottish Isles has ivory white tergal bands; elsewhere the bands are bright yellow. Identification keys and general biology are given in Julliard (1950), Blüthgen (1961), Spradbery (1973), Richards (1980) and Yeo & Corbet (1995).
Submitted by Anonymous on
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Identification keys and general biology are given in Nielsen (1932), Spradbery (1973), Felton (unpublished), Richards (1980) and Yeo & Corbet (1995).
Submitted by Anonymous on
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Identification keys and general biology are given in Nielsen (1932), Spradbery (1973), Felton (unpublished), Richards (1980) and Yeo & Corbet (1995).