. Revision of the Nematinae of North America [microform] : a subfamily of leaf-feeding Hymenoptera of the family Tenthredinidae. Hymenoptera; Insects; Hyménoptères; Insectes. 11' 16 and incloses, with the teiininal dorsal arc (pygidinni), t le claspers and sexual organs. T<» use these latter in desciiptiou requires dissection, and they have not, therefore, been referred to. In the female tlie of the ovi- positor has been r 'ferrtd to through- out the tlescriptiohs, and the more IMominent variations consist in its widtii and in the of the ui)per and lower margin and of th
. Revision of the Nematinae of North America [microform] : a subfamily of leaf-feeding Hymenoptera of the family Tenthredinidae. Hymenoptera; Insects; Hyménoptères; Insectes. 11' 16 and incloses, with the teiininal dorsal arc (pygidinni), t le claspers and sexual organs. T<» use these latter in desciiptiou requires dissection, and they have not, therefore, been referred to. In the female tlie of the ovi- positor has been r 'ferrtd to through- out the tlescriptiohs, and the more IMominent variations consist in its widtii and in the of the ui)per and lower margin and of the apex. The hairy vestiture, particularly that of the extreme apex and the lower margin, also presents good si)ecitic char- acters. The cerci are either very short, a, robust, or spindle-shaped, or are very elongate and slender. lu the males the apex of the seventh dorsal segment and the terminal ven- tral segment are useful, particularly in generic separation, and also present spe-. 2 C cL. 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 Marlatt, C. L. (Charles Lester), b. 1863. Washington : G. P. O.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1896
