121) 



AUSTRALIAN LADYBIRD. 



XiirliiK ( VcilitUn) <iir<liii<i/is Mills. 



(Priiu'ipsil eiieiny of tlu* Hut('(l .scale | hi nix /nin-lids!].) 

 Knlar^cd model of the adult of this iiisiu't, the iiitrodiictioii of which 

 from Australia has ctlcctcd what was impossible hy any other means — 

 the practical annihilation of llic tinted scale in California. 



Eidai'ti'ecl models sIiowIiil;' structure and characteiMstic ai)|)eai"ance 

 of tlu' larva anil pui)a. 



IMPORTED CURRANT WORM. 



I'lrruiiiiK rentricoKiiK King. 

 'Phis wax model of a cui'i'ant branch illustrates the work of the 

 imported currant worm. For extended e\hil)it of the insect.s ati'ect- 

 in<;' the currant see regulai" economic ca.se.s. 



PLUM CURCULIO. 



Ciiiiiilrnclii Ins ii()iiij)har lll)st. 



The work of the plum curculio on the fruit of the ))lum. apple, ])ear, 

 dieriy. and p(>ach is illustrated I)y mochds. For fuH details as to the 

 work of this insect see exhibit in re^'ular econonuc .series, 



Younj;- apples and pears, a twi»^ of cherry and a braiuh of peach 

 w ith ii})(Miiny- fruit, and twin's of plum with ereen and ripenin*,^ fruit, 

 illustrating the eti'ects of punctui-es l»y the female curculio, are shown. 



THE "KISSING BUG." 



Kediirius perxonatus Linn. 

 Enlarfjed model of one of the j^rouj) of true ])ugs, j^enerally known 

 as '"assassin bugs,'' which of late years have acquired a certain news- 

 pajM'r notoriety through their supposed preference for the human lips. 

 They feed on other insects, which they pierce with their strong 

 l)eaks; some species ai'e freiiuently foun<l in houses, attracted hy light, 

 and they may, if they believe them.sel\-es in dangei-. accidentally or in 

 defense, pierce the human skin with their beaks, causing a painful 

 wound, and often blood i)oisoning through the introduction of the 

 germs of putrefaction. 



ORANGE RUST-MITE. 

 Erioplii/is (J'liiitii/itit.s) ijliiiiini.s Aslini. 



Wax models of oranges, showing work of the orange rust -mite. 



THE PARASITE CAUSING MALARIA (^STIVO-AUTUMNAL 



FEVER). 



Pliisillniliii III iiiiiliiri;r. 



Tw(>nty-nine enlarge<l models, illustrating the life history of this 

 parasite in the blood of man and in the mos«|uito {An<q}heles). 

 The models exhibited show: Development of spores in the l>lood of 

 25528— No. 47—04 51 



