124 NEW YORK STATE MUSEUM 



Affecting forest trees 



Larch sawfly, Lygaeonematus erichsonii Hart. 



Woolly larch aphis, Chermes strobilobius Kalt. 



Birch seed midge, Cecidomyia betulae Winnertz 



The European willow gall midge, Rhabdophaga salicis 

 Schrank, was recently detected by us in central New York, where 

 it has caused considerable injury by infesting willows grown for 

 binding nursery stock. 



Golden oak scale insect, Asterolecanium variolo- 

 s u m Ratz. 



Elm bark louse, Gossyparia ulmi Geoff. 



Affecting domestic animals 



Horn fly, Haematobia serrata Rob.-Desv. 

 Screw worm, Lu cilia macellaria Fabr. 



Enemies to stored food products 



This list comprises a number of widely distributed species, a 

 few of which are exceedingly destructive. 



Mediterranean flour moth Ephestia kuehniella Zell. 

 This species is the most destructive mill pest known in the 

 country, and when abundant may necessitate the cessation of 

 operations and thorough cleansing before grinding can be re- 

 sumed. 



Indian meal worm, Plodia interpunctella Htibn. 



The rice weevils, Calandra granaria Linn, and C. 

 oryzae Linn. 



The bean weevil, Bruchus obtectus Say. 



The pea weevil, Bruchus pisi Linn. 



Insects annoying or injurious in houses 



This group comprises practically all of our species, as may 

 be seen from the following list. 



Case-making clothes moth, Tinea pellionella Linn. 

 Southern clothes moth, Tineola biselliella Hum. 

 Tapestry moth, Trichophaga tapetzella Linn. 

 Buffalo carpet beetle, Anthrenusscrophulariae Linn. 

 Black carpet beetle, Attagenus piceus Oliv. 

 Larder beetle, Dermestes lardarius Linn. 

 Little red ant, Monomorium pharaonis Linn. 



