Tech. Series 17, Part II, Bureau of Entomology, U. S. Dept.. of Agriculture. 



Plate X. 



.Antenn/e of Typical Species of the Subfamilies of Scolytoidea. 



Fig. 1. — Cryphalus asperaius (Cryphalina}), anterior aspect of left antenna. Fie. lo. — Posterior aspect 

 of left antenna of same. Fig. 2. — Ips typographus (Ipinae), anterior aspect of left antenna. Fig. 2a. — 

 Posterior aspect of left antenna of same. Fig. .3. — Corthylus colurtibianus (Corthylina?), female, 

 anterior aspect of left antenna. Fig. 3a. — Female of same, posterior aspect of left antenna. Fie. 

 36. — Male of same, cluh. Fig. 4. — Micracis suluralis (Mieracinfe), female, anterior aspect of left 

 antenna. Fig. 4a. — Female of same, posterior aspect of left antenna. Fig. 46. — Male of same, scape. 

 Fig. 5. — Webbia dipterocarpi (Webbinse), anterior aspect of left antenna. Fig. 5o. — Posterior aspect 

 of left antenna of same. (Original.) 



