총 147페이지
9페이지 본문시작
tarsiand2pairsofwingsthataremoreorlesssimilarinsizeandshapeandthatareheld
flatoverthebody,coveredwithpowderywax,andhaveveryfewwingveins.
Similarfamilies
In the field, whiteflies are sometimes confused with the apterous (wingless) form of
palm aphids (Cerataphis: Aphididae) which are similar in shape and size, but lack the
operculumandareeasilyrecognizedbythepairoflonghornsattheanteriorapexofthe
body.Theymaybeconfusedwithnymphsofcertainspeciesofpsyllids,Trioza(Psyllidae)
in particular, which lack the operculum but have legs, antennae and a wide, irregular?
shapedanalopening(Fig.2).
Figure2. A:Triozasp.,B:SiphonaleyrodesformosanusTakahashi(Triozidae).
007
Introduction
flatoverthebody,coveredwithpowderywax,andhaveveryfewwingveins.
Similarfamilies
In the field, whiteflies are sometimes confused with the apterous (wingless) form of
palm aphids (Cerataphis: Aphididae) which are similar in shape and size, but lack the
operculumandareeasilyrecognizedbythepairoflonghornsattheanteriorapexofthe
body.Theymaybeconfusedwithnymphsofcertainspeciesofpsyllids,Trioza(Psyllidae)
in particular, which lack the operculum but have legs, antennae and a wide, irregular?
shapedanalopening(Fig.2).
Figure2. A:Triozasp.,B:SiphonaleyrodesformosanusTakahashi(Triozidae).
007
Introduction
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