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AUSTRALIAN LADYBIRD. 



Xovius ( Yedalia) cardinalis Muls. 

 (Principal enemy of the fluted scale \Icerya purchasi].) 

 Enlarged model of the adult of this insect, the introduction of which 

 from Australia has effected what was impossible by any other means — 

 the practical annihilation of the fluted scale in California. 



Enlarged models showing structure and characteristic appearance 

 of the larva and pupa. 



IMPORTED CURRANT WORM. 



Pteronus ventricosus Klug. 

 This wax model of a currant branch illustrates the work of the 

 imported currant worm. Eor extended exhibit of the insects affect- 

 ing the currant see regular economic cases. 



PLUM CURCULIO. 



Conotrachelus nenuphar Hbst. 



The work of the plumcurculio on the fruit of the plum, apple, pear, 

 cherry, and peach is illustrated by models. For full details as to the 

 work of this insect see exhibit in regular economic series. 



Young apples and pears, a twig of cherry and a branch of peach 

 with ripening fruit, and twigs of plum with green and ripening fruit, 

 illustrating the effects of punctures by the female curculio, are shown. 



THE "KISSING BUG." 



Reduvius personatus Linn. 

 Enlarged model of one of the group of true bugs, generally known 

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

 paper notoriety through their supposed preference for the human lips. 

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

 beaks; some species are frequently found in houses, attracted by light, 

 and they may, if they believe themselves in danger, accidentally or in 

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

 wound, and often blood poisoning through the introduction of the 

 germs of putrefaction. 



ORANGE RUST-MITE. 

 Eriophyes (Phytoptus) oleivorus Ashni. 

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



THE PARASITE CAUSING MALARIA (iESTIVO-AUTUMNAL 



FEVER). 



Plasmodium malarise. 

 Twenty-nine enlarged models, illustrating tbe life history of this 

 parasite in the blood of man and in the mosquito {Anopheles). 



The models exhibited show: Development of spores in the blood of 



3600— No. 47—04 9 



