Rostrum free, not supported by either the prosternum or the basal segments of the appendages.
Its rostrum is unusually long, being five-sixths of the body length in the female, and slightly shorter in the male.
They fly about from July till October, living upon the sap of the vine, which is sucked up by the rostrum from the leaves or buds.
The point of the rostrum is pressed against the surface to be pierced; then the stylets come into play and the fluid food is believed to pass into the mouth by capillary attraction.
The head is seen in front resting on the foot and carrying a median non-retractile snout or rostrum, and a pair of cephalic tentacles at the base of each of which is an eye.
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