60 



CALIFORNIA CITRUS CULTfKK. 



PREDACEOUS INSECTS PREYING UPON CITRUS PESTS. 



Predator 



LACEWINGS. 



Brown lacewiug (8yii>Jn rubiux HIII/HH- 



tus Bks.) 

 Green lacewing (Chrysopa californica 



Coq.) 

 ll< inerobius pacificus Bks 



LADYBIRD BEETLES. 



II i/>j)odamia con-vrrgens Guer 



Two-stabbed ladybird beetle (Cfiil<i<-<>- 



rus bivulneru8 Muls.) 

 Steel-blue ladybird (Orcus 



Boisd.) 



Axion plagiatus Oliv 

 Axion pilatii Muls 

 Exochomus californicns Casey 

 Cryptogonus orbicitlus Schon 

 Cryptolcemus montroiisicri Muls 



Hyperaspis lateralis Muls 



Scymnus sordidus Horn 



Scymnus guttulatus Lee 



Scymnus nebulosus Lee 



Scymnus marginicollis Mann 



Stethorus vagans Blackb 



Vedalia (Novius cardinalis Muls.) 



Novius kcfbelei Olliff 



Black ladybird (Rhizobius vcntralis 

 Er.) 



SYRPHID FLIES. 



Large syrphid (Lasiophthictts pyrnstri 



Linn.) 

 American syrphid (Si/rphus amcricniia 



Wied.) 

 Small syrphid (Allograpta oblit/na Say) 



I'cst 



d upo 



Mcr.ly li ii's, miles. 



.Mealy bu.irs. iilnul: lice, mites. 



Mites. 



Plant lice, youn.i;- scale insects. 

 Scale insects. 



Scale insects. 



Scale insects. 



Scale insects. 



Scale insects, plant lice. 



Mealy bugs. 



Mealy bugs. 



Mealy bugs and other scale inserts. 



Plant lice, mealy In ;rs, youn.ir armored 



scales. 

 Mealy bugs. 

 Mealy bugs, plant lice. 

 Scale insects and plant lice. 

 Mites. 



Cottony crshion scale. 

 Cottony cushion scale. 

 Black scale, mealy bugs. 



Plant lice. 

 Plant lice. 

 Plant lice. 



