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Record: oai:ARNO:508770

AuthorC. Ritsema Cz.
TitleOn three new species of Rhynchophorous Coleoptera from Sumatra
JournalNotes from the Leyden Museum
AbstractLength (the rostrum included) 14½ mm. — Black; very densely covered all over (with the exception however of the mouth and a triangular space at the front margin of the rostrum) with greenish white scales, which show a golden lustre according to the light. Over the whole surface small black dots are present, which generally bear a short scale-like seta. The club of the antennae with the exception of its base is grayish black.
The hinder part of the head is depressed, and the space between this depressed portion and the transverse groove in front of the eyes a little broader than long and provided on the middle with a longitudinal narrow groove which widens a little on the rostrum. The head and rostrum are dispersedly punctured; the punctures on the rostrum are placed somewhat closer together than those on the head. The scape of the antennae is a little longer than the two basal joints of the funicle taken together; the first joint of the funicle is shorter than the 2nd, the 2nd as long as the 3rd and 4th taken together, the 7th joint as large as the 4th; the club is elongate ovate, pointed at the tip, and nearly as long as the four apical joints of the funicle taken together.
Document typearticle
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