INDEX. 55 



Page. 



Oats, wild, food plant of Limothrips setarix 9 



Olive tlirips. (See Phhrothrips oleas.) 



Parthenogenesis in Thripoctenus russelli 35-36 



Peach, food plant of Phlocothrips jennei 22 



Pezomachiis thripites, parasite of thripa on wheat 25 



Phlocothrips — 



armiger in key to species 21 



armiger, new species, description 23-24 



jennei in key to species 21 



jennei, new species, description 21-22 



key to species ' 21 



maculatus in key to species 21 



minor, resemblance of Phlocothrips jennei thereto 22 



olese, chalcidid parasite thereof 25 



pergandei in key to species 21 



raptor in key to species 21 



uzeli in key to species 21 



Rearing and studying tlirips parasites, methods 28-29 



Russell, H. M., paper, "An Internal Parasite of Thyeanoptera " 25-52 



Sambuciis sp. , food plant of Sericothrips albns 7 



Scirtothrips — • 



rvthveni=Anaphothrips rnthveni 15 



status of genus 15 



Sericothrips — • 



alhus in key to species 5 



alhus. new species, description 6-7 



apteris in key to species 5 



apteris, male, description 6 



cingulatus in key to species 5 



key to species 5 



moultoni in key to species 5 



moultoni, new species, description 7-8 



pulchellus in key to species 5 



reticulatus in key to species 5 



stanfordii in key to species l 5 



variabilis in key to species 5 



Setaria viridis, food plant of Limothrips seiarise 9 



Solidago sp., food plant of Thrips femoralis 5 



Sonchus oleraceus, food plant of bean thrips 48 



Sonchus oleraceus, Thripoctenus russelli found on leaf 48 



Spider web, Thripoctenus russelli caught therein 44 



Tetranychusf , oviposition therein by Thripoctenus russelli in experiment 43 



Tetrastichus gentilii, parasite of Phloeothrips olese 25-26 



Thripoctenus russelli — 



activity 39-40 



adult, emergence 33-34 



adult, newly emerged, description 34 



appearance of thrips prepupse parasitized thereby 30 



behavior of parasitized thrips 31 



behavior on different kinds of leaf surfaces 40-41 



causes of mortality in the open 44 



classification 27-28 



colonization, means 51-52 



