Araecerus, Schoenherr, 1826

Zimmerman, Elwood C., 1942, Anthribidae Of Guam, Insects of Guam I, Honolulu, Hawaii: Bernice P. Bishop Museum, pp. 65-72 : 71

Genus ARAECERUS Schoenherr, 1826

This genus is predominantly ludo-Australian. The two species found in Guam have become very widespread and are readily carried by commerce. They jump rapidly when disturbed.

KEY 1'0 1'HE SPECIES

Segments of the antenna! club strongly asymmetrical, each almost straight on one side and strongly convex on the other ( fig. 1 , d), second antenna! segment usually only about half as long as the third; mesocoxae and fore tibiae of male unarmed.................................................................................. A. fasciculatus (De Geer) .

Segments of the antenna! club almost symmetrical, each rounded on either side ( fig. 1 , e), second antenna! segment about three fourths as long as the third; mesocoxae of the male with a conspicuous conical tooth; fore tibiae of the male armed below with a small but rather strong apical mucro and usually with numerous variable teeth and longer, hairlike pubescence than dorsally................ TODO TODO TODO

These two species are closely allied, and greatly resemble one another. They can be separated only after detailed examination.

Figures

FIGURE 1.-a, side view of prothorax, head, and rostrum, and b, front view of head and rostrum of Jordanthribus planifacietus Zimmerman; c, front view of head and rostrum of J. conspersus Zimmerman; d, antenna! club of Araecerns fasciculatus (De Geer); e, antenna! club of A. vieillardi (Montrouzier).