INJURIOUS AND BENEFICIAL INSECTS OK CALIFORNIA. 363 



THE PARASITE OF THE BLACK CITRUS PLANT LOUSE 



Qharips xanthopsia (Ashmead) (Family Figitida?) 



(Alloiria xanthopsia Ashmead) 



(Fig. 360) 



Description.— This small parasite belongs to a family closely allied 



to the gall makers. The adults are exceedingly small, being less than 



1-10 inch long. The general color of the body is black, with leas, bases 



of the antennae and ovipositor light amber. 



Life History.— The life history of this insert is not well known, but 

 probably resembles thai of Aphid ins testaceipes Cresson. 



Fig. 360. — Mummied bodies of the black citrus plant louse, Toxoptera aurantiw 

 Koch, showing exit holes of Charips xanthopsia (Ashm.). (Author's illustration, P. C. 

 Jr. Ent.) 



Distribution. — It is common in the southern part of the State, espe- 

 cially in Ventura County. 



Host. — This parasite has been reared from the black citrus plant 

 louse (Toxoptera aurantics Koch), but it is probably a secondary para- 

 site preying upon Aphidius testaceipes Cresson. 



THE CODLIN-MOTH PARASITE 



Calliephialtes messor Gravenhorst 28 * (Family Ichneumonidae) 



(Figs. 361. 362) 



Description. — The adult is black with reddish or yellowish legs and 



yellow markings on the body. The wings are brownish-hyaline with 



darker veins. The female is equipped with a long ovipositor, which is 



as long as the body. Exclusive of the ovipositor, she is nearly \ inch 



long. The male is about | inch long. The eggs are white and rather 



long and slender, being largest near Hie middle and sharper at one 



end than the other. They average about. 1-20 inch in length. The 



263 The real status and life history of this parasite has been recently worked 'mi by 

 Harry S. Smith and E. J. Vosler, who publish' >1 their findings, much of which is 

 included in this article, in The Monthly Bulletin of the Cal. Tlort. Com., Vol. Ill, pp. 

 195-211, 1914. 



264 There is some doubt regarding the specific name, messor. 



