Formerly known as C. pusillus. A small black solitary wasp. Identification keys are given in Yeo & Corbet (1995), Lomholdt (1984) and Richards (1980).
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A small black solitary wasp. Identification keys are given in Yeo & Corbet (1995), Lomholdt (1984) and Richards (1980).
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A small black solitary wasp with a yellow clypeus in both sexes. Identification keys are given in Yeo & Corbet (1995), Lomholdt (1984) and Richards (1980).
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Considerable disagreement exists regarding the definition of this name. Linsenmaier (1997), Kunz (1994) and Morgan (1984) all treat it differently. Here it is meant in the sense given by Morgan (1984). See Archer (2003) for discussion of this problem.
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Identification keys and hosts are given in Morgan (1984) and Archer (2003). Kunz (1994) treats C. rutiliventris as a synonym of C. ignita. Linsenmaier (1997) treats this taxon as a valid species including a subspecies vanlithi Linsenmaier, 1959.
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Identification keys and biology are given in Morgan (1984) and Archer (2003). Kunz (1994) treats C. schencki as a synonym of C. ignita, while Linsenmaier (1997) treats this taxon as a subspecies of C. ignita.
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Arachnospila minutula is a typical black and red spider wasp. Despite its name it is a similar size to, or even larger than, many of its congeners.The male is readily recognised by the structure of the hind legs, while the female lacks a comb of spines on the fore-tarsus (subgenus Anoplochares Banks) and needs to be separated only from A. spissa.
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A medium-sized red and black species. Arachnospila wesmaeli belongs to the subgenus Ammosphex, in which the females have a tarsal comb to assist digging the burrow. Females are difficult to identify and require critical examination, the males have a distinct subgenital plate. Identification keys are given in Day (1988).
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A revised key to the now three British species of Miscophus has been published by Knowles and Else (2005). Male M. ater are not always readily separated from dark specimens of male M. concolor on gaster colour alone, but the closeness of the punctation on the frons seems to be a reliable, if subtle, character for which comparative material is useful.