Pests and Diseases Image Library
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Body length between 10-19mm, body colour back, without dorsal scales.
The new World genus Scyphophorus has two species:
S. acupunctatus - Sisal weevil
S. yucca - Yucca weevil
The genus can be differentiated from other Rhyncophorinae by:
1. Spony apex of antennal club is either retracted or feebly carinate; 2. soles of the dilated 3rd tarsal segment glabrous except for a uniform frings of dense, stiff hairs along the apical border; 3. male genitalia long apodemes not forked.
The two species may be separated by:
S. acupunctatus S. yucca
Antennal club apex
retracted , concave truncate, carinate
Antennal club in lateral view
not visible visible
Antennal 2nd funicle segment length
same as 3rd segment longer than 3rd segment
Scutellum
as wide as base of twice as wide as
sutural interval sutural interval
Elytra intervals punctures
very finely shallow deeply punctate
Beak length
shorter and stouter longer and narrower
Tibiae with inner edge
straight both sexes angulated in male
Prosternum intercoxal space compared to width of apex of beak
narrower as wide as
Mesosternum intercoxal space compared to width of coxa
almost as wide as at least as wide as
Source: Vaurie, P. (1971). See references
