. Annals. Entomology. 218 Annals Entomological Society of America [Vol. XV, THE TARSAL ARMATURE IN THE AND IN PHYTOPTIPALPUS. The Tarsonemid theory of the origin of the Eriophyidae fails utterly to explain the presence of the peculiar tarsal armature of the gall mites. In the Eriophyidse each tarsus is armed at its tip with a simple claw and below it with the pectinate structure known as the "feather hair" (Fig. 3, c). The so-called "feather hair" is composed of an almost straight central part from which branch off below four or five pairs of barbs. Of all the g


. Annals. Entomology. 218 Annals Entomological Society of America [Vol. XV, THE TARSAL ARMATURE IN THE AND IN PHYTOPTIPALPUS. The Tarsonemid theory of the origin of the Eriophyidae fails utterly to explain the presence of the peculiar tarsal armature of the gall mites. In the Eriophyidse each tarsus is armed at its tip with a simple claw and below it with the pectinate structure known as the "feather hair" (Fig. 3, c). The so-called "feather hair" is composed of an almost straight central part from which branch off below four or five pairs of barbs. Of all the groups of the Acarina no other group gives as close an approximation to the Eriophyid type of tarsal armature as the red spiders, or spider mites. Of the various genera of. 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 Entomological Society of America. Baltimore [etc. ]


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