44 Proccedincis, 1922 



4. Wings fully developed. 



5. Tube in most cases clearly more than half as long as the 

 head. 



6. Antennae and legs sliort and thick 



Liophlocothrips Priesner 



6. Antennae and legs slender Liothrips Uzel 



5. Tube only about half as long as the head. Very strong 



anteocular bristles anteriorly directed Trybomia Karny 



4. Wings reduced or absent. 



5. 3rd antennal joint pr(Uiouncedly longer than the others. 



cf. Leptogastrothrips Trybom 



5. 3rd antennal .ioint not at all or scarcely longer than the 

 others. 

 6. 3rd antennal joint noticeably shorter than the 8th. 



Lissothrips Hood 



6. 3rd antennal joint clearly longer than the 8th. 



7. The whole thorax adorned with a snow-white line, on 

 each side, continued into the first abdominal segments. 



Poecilothrips T^zel 



7. One colour, the thorax without white liiu^s. The 7tli 

 and 8th antennal segments with a broad surface join- 

 ing one another, apparently entire Neothrips Hood 



2. Antennae 7-jointed cf. Symphyothrips H. & W. 



1. Wings always well developed, narrowed in the middle, sole-like. 



2. Head long and narrow, gradually narrowing postericirly, twice as 



long as broad Dolichothrips Karny 



2. Head at the most a third longer, with slightly arched cheeks. 

 cf. Neoheegeria Schmutz 



HAPLOTHRIPINAE 



1. Bristles of the prothorax simple, sharp or club-like, never funnel- 

 shaped. 



2. Pore femora unarmed. 

 3. Fore tibia unarmed. 



4. 3rd antennal joint noticeably short, shorter than the 8th. 



cf. Lissothrips Hood 



4. 3rd antennal joint pronouncedly longer than the 8th. 



5. Prothorax along posterior margin not much broader than 

 the head. 



6. Mouth cone reaching almost to the raesosternum 



Gnophothrips H. & W. 



6. Mouth cone short, reaching to the middle of the pros- 

 ternum Cephalothrips Uzel 



