132 



of wliich tlcfoliatcd thousands of pear trees, wliile the second genera- 

 tion was highly parasitised ; Macrodactylns sitbspinosus (rose chafer), 

 on apples, grapes and cherries ; Hcmcrocaiupa leiicosfigtna (tussock 

 moth) ; Hvphantria ciinea (fall webworm) ; Conofmchelus nenuphar 

 (plum curculio), which was particularly injurious to peaches ; Parornix 

 {Ornix) ^^cnnnatclla (unspotted tentiform leaf-miner) on apples ; 

 Phvllocoptcs schlcclitcndali (silver leaf-mite), on peach foliage; Empoa 

 rosae (rose leaf-hopper), causing mottling of the leaves in apple 

 orchards ; Tacniothrips inconscqiiens (pear thrips) ; and Ormcnis 

 pminosa (pear Fulgorid). 



Insects attacking grapes and small fruits included : Erytlironcura 

 comes (grape leaf-hopper) ; Mefallns bethiinei (blackberry leaf-miner), 

 of which egg and larval parasites were more abundant than in the 

 previous year ; Ancylis corn pf ana (strawberry leaf-roller) ; Pteronus 

 ribesii (imported currant worm), on currants and gooseberries; Aphis 

 forhcsi (strawberry root aphis) ; Aegcria {Sesia) iipuliformis (imported 

 currant borer), in black currants; and Typophonis canellits (strawberry 

 root borer). 



Pests of vegetables included Phorhia {CJiortopJiila) brassicae (cabbage 

 maggot) ; Hylemyia antiqua (onion maggot) ; Pieris rapae (imported 

 cabbage worm), on cabbages and cauliflowers ; Plutella maculipcnnis 

 (diamond-back moth), in cabbage fields ; Heliothis obsoleta (com ear 

 worm), on both sweet and field maize that was planted late ; Protoparce 

 (Phlegethontius) qitinquemaculata (tomato or tobacco worm) ; s\cyr- 

 thosiphon [Macrosiphum) pisi (pea aphis) ; cutworms on cabbage, 

 tomato and maize ; Crioceris asparagi and C. duodecimpnnctata 

 (asparagus beetles), which were parasitised by the Chalcid, Tetrastichus 

 asparagi ; Aphis brassicae (cabbage aphis), which caused considerable 

 injury late in the season to cabbage, cauliflower and turnips, but was 

 largely checked by insect enemies, one of the most important being 

 Aphid oletes fnlva ; Systena frontalis (red-headed flea-beetle), unusuall}' 

 prevalent on beans ; Cosrnopepla bimaculata (black stink-bug), on 

 grain and on the tips of asparagus plants ; Thrips tabaci (onion thrips) ; 

 Lygiis pratensis (tarnished plant bug), on garden plants, potatoes and 

 celery, where it is belie\Td to be the chief carrier of soft rot or black 

 heart of celery ; Lona irilineata (three-lined leaf beetle), on potatoes ; 

 and Diabrotica vittata (striped cucumber beetle). 



Field crops were attacked by Hypcra {Phyionomus) punctata (clown- 

 leaf weevil), which ruined large areas of clover, but ^^'hich was 

 largely destroyed by a fungus disease ; Blissus leucopterus (chinch 

 bug), which injured meadow grasses, particularly timothy, oats and 

 maize, but was heavily attacked by the fungus, Sporotrichum globn- 

 lifcrum ; Crambus caliginoselliis, on wheat ; and Briichop/iagiis funebris 

 (clover seed Chalcid). 



Miscellaneous pests included CJiermes abietis and C. siniilis (spruce 

 gall Aphids) ; grasshoppers ; Alabama argiUacea (cotton worm) ; 

 Ncoccrata {Dasvneura) rhodophaga (rose midge), in greenhouses ; and 

 Itonida tccomiae (trumpet vine midge). 



Felt (E. P.). Later Developments in the European Corn Borer 

 Situation.— J^/A .1;/;/. Ret^t. Ent. Soc. Ontario, 1V19, Toronto, 

 1920. pp. 110-111. [Received 8th January 1921 .] 



There has recently been a considerable extension of infestation 

 by the European corn borer [Pyrausta nnbi talis] in New York State, 



