. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Orthorrhapha brachycera. is not free, there is no oral cone developed. The proboscis is almost always short, slightly or not at all protruding; only in Orthochile it is long and somewhat thin, and also in a group of species of Herco- stomus it is somewhat elongated. It is characteristic for the family that the proboscis and the other mouth parts, as well as the oral aperture are often considerably larger in the female than in the male, in accordance with the breadth of the epistoma. The oral aperture is in the wh
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Orthorrhapha brachycera. is not free, there is no oral cone developed. The proboscis is almost always short, slightly or not at all protruding; only in Orthochile it is long and somewhat thin, and also in a group of species of Herco- stomus it is somewhat elongated. It is characteristic for the family that the proboscis and the other mouth parts, as well as the oral aperture are often considerably larger in the female than in the male, in accordance with the breadth of the epistoma. The oral aperture is in the whole rather large, stretching more or less up on. 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 Lundbeck, William, 1863-. Copenhagen, G. E. C. Gad
Size: 1381px × 1810px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
