396 



6. Head longer than broad, last three joints of antennae 



connate Rhipidothrips Uzel. 



Head transverse, last four joints of antennae connate . . 7 



7. Forewings with cross-veins .... Molothrips Haliday. 

 Forewings without cross-veins . . . Franklinothrips Back. 



Orothripin.e mihi. 



1. Genus Stomatothrips Hood, Proc. Biol. Soc. Washington^ 

 XXV., 1912. 



Species : S. flavus Hood — Mexico. 



2. Genus Erythrothrips Moulton, U.S. Dept. Agriculture^ 

 Bureau of Ent., Tech. Ser., 21, 1911. 



Species: E. Arizonœ Moulton — Arizona and California, U.S. A, 



3. Genus Orothrips Moulton, I.e., Tech. Ser., 12, 1907. 

 Species : 0. kelloggii Moulton and var. Yosemitii Moulton — 



California, U.S.A. 



Melanothripin.e mihi. 



4. Genus Ankothrips Crawford. 



Ankothrips Crawford, Pomona Journ. Ent., ii., Mar. 1910. 

 Dicranothrips Trybom, in Schultze, Zool. und Anthrop. 

 Ergebnisse einer Forschungsreise im westlichen und 

 zentralen Südafrika, 1903-5. Jena 1910. 

 Prionothrips Schille, Acad. Litt. Cracov., xlv., 1910. 

 Species: A. robustus Crawford (type) — California, U.S.A. 

 A. fissidens (Trybom) — S, Africa. A. niezabitowskii (Schille) — 

 Central Europe. 



5. Genus Melanothrips Haliday, Ent. Magazine, iii., 1836. 

 Species : M. fuscus (Sulzer) (type) — Europe, N. Africa. Af, 



ficalbii Buna — Italy, England (1913). 



;EOLOTHRIPIN.E MIHI. 



6. Genus Rhipidothrips Uzel, Mon. der Ordnung Thysan- 

 opiera, 1S95. 



Species : R. gratiosa Uzel (type) — Europe (Bohemia, England). 

 R. niveipennis Reut. — Finland. 



