Research Bulletin, Issue 386 |
From inside the book
Results 1-5 of 7
Page 91
... beneficial , that have been recorded from Ohio will be discussed and the latest control for the injurious forms will be given . Similar species of major economic importance occurring in other parts of the world will be noted in order to ...
... beneficial , that have been recorded from Ohio will be discussed and the latest control for the injurious forms will be given . Similar species of major economic importance occurring in other parts of the world will be noted in order to ...
Page 97
... beneficial and several , among them Cheyletus pyriformis Banks , rank as natural factors of considerable import- ance in holding down the numbers of scale insects . Several records are also before me indicating the value of Cheyletus ...
... beneficial and several , among them Cheyletus pyriformis Banks , rank as natural factors of considerable import- ance in holding down the numbers of scale insects . Several records are also before me indicating the value of Cheyletus ...
Page 116
... beneficial of the Acarina . I have liberated numbers of the larvae upon my body at var- ious times but have never had them attach or become irritating , as has been the experience of other workers . From records available this species ...
... beneficial of the Acarina . I have liberated numbers of the larvae upon my body at var- ious times but have never had them attach or become irritating , as has been the experience of other workers . From records available this species ...
Page 145
... beneficial as well as of an injurious group within the same family . Some few are parasitic on and in various insects . Acar- apis woodi Rennie , which causes Isle of Wight disease among honey bees in Europe , is parasitic in the ...
... beneficial as well as of an injurious group within the same family . Some few are parasitic on and in various insects . Acar- apis woodi Rennie , which causes Isle of Wight disease among honey bees in Europe , is parasitic in the ...
Page 146
... beneficial . From this state the mite often assumes a marked economic aspect from certain injuries which they may cause . P. ventricosus has long been known from standing and cut grain where its parasitism upon the joint worm and the ...
... beneficial . From this state the mite often assumes a marked economic aspect from certain injuries which they may cause . P. ventricosus has long been known from standing and cut grain where its parasitism upon the joint worm and the ...
Common terms and phrases
abdomen Acad Acarina adult appears altho Amer anal plate attack Banks Trans beneath Berlese body bright red bristles broad brown in color Buckeye Lake Cedar Point cephalothorax chelicerae chigger Chillicothe chitinized claws common species cosmopolitan debris deposited distributed thruout dorsal shield dorsum eggs engorged Eriophyes Eriophyid Erythraeidae Europe and North fauna feeding female forms genera genital genus habits hairs hatch hexapod host infested insects integument known from Ohio large number larvae lime-sulphur male mandibles margin mature mites molt mouthparts nearly North America number of species nymphal nymphs occur Oribata oviposition pairs of legs pale brown palpi parasitic plants posterior predaceous pteromorphae recorded from Ohio red spiders resemble the adults Sarcoptidae scale insects scutum segment southern Canada southern Ohio species species measuring specimens spray stage suborder taken tarsi Tarsonemidae terminate thru tick tracheae trees trichomes type material usually various ventral Wien