. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. A new hoverfly from Europe 143. Female (fig. lb). Similar to male except for normal sexual dimorphism; pile shorter and more extensively pale, and legs less darkened. Head: Frons at antennal base — times as wide as 3rd antennal segment, only with shallow lateral channels, with pile pale, but a few black hairs intermixed around ocellar triangle. Eye hairs shorter than in the male and all pale. Shape of 3rd antennal segment (fig. 1 b) and base of arista as in th

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. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. A new hoverfly from Europe 143. Female (fig. lb). Similar to male except for normal sexual dimorphism; pile shorter and more extensively pale, and legs less darkened. Head: Frons at antennal base — times as wide as 3rd antennal segment, only with shallow lateral channels, with pile pale, but a few black hairs intermixed around ocellar triangle. Eye hairs shorter than in the male and all pale. Shape of 3rd antennal segment (fig. 1 b) and base of arista as in the male. First antennal segment generally darker than second segment (in C. chloris generally of the same pale colour).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut

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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology