Proceedings of the United States National Museum . rachylahris. The labiumthus resembles those of some Ephialtini. These authors also recordthat there is no striking difference between the larva of this speciesand that of X. irrigator (Fabricius) which they also examined. Theselobes have not been recorded on the labium of any other species ofthis tribe, although Ayyar figures what appears to be a sclerotic platebeneath the ventral surface of the labial sclerite in Xoridescopus. Itis unfortunate that this figure is poor and on bad paper. Tribe Acaenitini Figure 10b Members of this tribe are par
Proceedings of the United States National Museum . rachylahris. The labiumthus resembles those of some Ephialtini. These authors also recordthat there is no striking difference between the larva of this speciesand that of X. irrigator (Fabricius) which they also examined. Theselobes have not been recorded on the labium of any other species ofthis tribe, although Ayyar figures what appears to be a sclerotic platebeneath the ventral surface of the labial sclerite in Xoridescopus. Itis unfortunate that this figure is poor and on bad paper. Tribe Acaenitini Figure 10b Members of this tribe are parasites of wood-boring only species of this tribe examined was Arotes formosus Cresson(fig. 10b). Cushman and Rohwer (1921, p. 392) state that the groupis ectoparasitic. The complete epistoma, toothless mandible andsmall skin setae of Arotes suggest that it is an endoparasite, althoughthe larval characters of Coleocentrus, as figured by Baumann (1933),suggest that this genus is an ectoparasite. 416 PROCEEDINGS OF THE NATIONAL MUSEUM. 0-1 mm
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
