352 



Dr. Malcolm Cameron on 



Stenaestiietini. 

 Antennae very slender ; abdomen except 

 for the 1st (visible) and 5th segments 

 immarginate. Tarsal formula 4, 4, 5. 

 Antepenultimate joint simple; sculp- 

 ture umbilicate on head and thorax . 



EVAESTHETINI. 



Tarsi 4-jointed ; head deeply impressed 

 on either side of the front; abdomen 

 distinctly margined. Head and 

 thorax very smooth and shining. 



PiNOPHILINI, 



Abdomen bordered. 



Abdomen not bordered. 



Labrum simple; last joint of the maxil- 

 laiy palpi narrow and elongate . 



Labrum bilobed; last joint of the 

 maxillary palpi securiform 



Sculpture of abdomen strongly imbi'icate ; 

 last joint of maxillary palpi securiform ; 

 terminal joint of antennae of normal 

 length ...... 



Sculpture of abdomen not imbricate ; last 

 joint of maxillary palpi slender, fusi- 

 form ; terminal joint of anteimae very 

 elongate, forming nearly half the 

 length of the organ .... 



Paederint. 



Antennae not geniculate. 



Antennae strongly geniculate. 



4th tarsal joint dilated, the distal margin 

 more or less emarginate, the 5th joint 

 articulating on its dorsal surface near 

 the base, giving the appearance when 

 viewed from above of the 4th joint 

 being bilobed.* 



Stenaesthetus Slip. 



Neopinophilus Cam. 



Palaminus Ei-. 



Eucirrus Fauv. 



* All autlu)rs speak of tl\is joint bein.ti bilobed. This, however^ 

 is incorrect. When examined as a micros(!oi)ical prcpai-ation the 

 structure is found to be as above described. 



