2lS ENTOMOLOGISK TIDSKRIFT I90I. 



with six procurved setœ on the sixth segment. Only one 

 sense-organ on each side of the head. 



I. K. mirabilis Grassi (et Calandruccio). 

 11. On the ventral side of the abdomen no spine-like setae on 

 the fourth segment and no wart with setae on the sixth seg- 

 ment. A group with two to four sense-organs on each side 

 of the head. 



A. Ventral sacs on the fourth, fifth and sixth abdominal 

 segments. Legs more slender; last tarsal joint in the first 

 pair more than four times longer than thick. 



a. The palpi have the second metatarsal joint only a 

 little longer than the first and not twice as long 

 as thick. In the fiist pair of legs the tibia is not 

 three times longer than thick; the third metatarsal 

 joint is much longer than the fourth, with the stift" 

 seta inserted at the apex. The flagellum is mo- 

 derately robust with fifteen joints. 



2. A'. WJicclcri RucKER. 



b. The palpi have the second metatarsal joint much 

 longer than the first and more than twice as long 

 as thick. In the first pair of legs the tibia is more 

 than three times longer than thick; the third meta- 

 tarsal joint is not longer than the fourth, with the 

 stiff seta inserted at its middle. The flagellum 

 very slender with thirteen joints. 



3. A', chile)! si s n. sp. 



B. No ventral sacs on any abdominal segment. Legs more 

 robust; last tarsal joint in the first pair at most three 

 and a half times longer than thick. 



a. Fourth, fifth and sixth abdominal segments each 



with at most two pairs of longer hairs on the ventral 



side, and in the fourth segment the two hairs of 



the pair next to the median line are rather or very 



distant from each other. A ventral median seta in 



the three posterior abdominal segments. 



a. Sternum anterius with only three hairs arranged 



in one transverse row. The palpi have the 



second metatarsal joint conspicuously thicker 



26 



