—26— 



two complex ones caudad of each incision and three to six 

 simpler ones laterad of third lobe. Ventral grouped glands: 

 median, none; cephalolateral, seven; caudolateral, four to 

 five. 



Habitat: Native willows in California (Comstock). 



ASPIDIOTUS CYDONIAE Comst. 



Aspidiotits cydoniac. Coiiistock, Rc}). I)('})t. Agr. ISSO, p. 295. 

 •^Aspidiolits grccni. Cockcrcll, Bui. Div. Ent., Dopt. Agr. Tecli. Scr. 

 No. (>, p. I'.*. 



Female scale round, translucent, resembling scale of A. 

 rapax, fiom I to I 1-3 mm. in diameter; exuviae black as 

 seen from ventral side, orange under microscope with strong 

 light. Male scale same color, i i 6 nnn. long by 1-2 mm 

 wide; exuviae prominent, same color as exuviae of female 

 scale. 



Body of female round, yellow. Anal segment with 

 median lobes well developed, notched on both inner and 

 outer margins, outer notch more cephalad than inner; second 

 lobe rudiment wide, slightly raised at inner angle; third lobe 

 similar to second. A small chitinous process at inner base of 

 median lobe and usually one at outer base. A chitinous 

 process each side of first incision, the inner one the largest; 

 a well developed chitinous ring around second incision. Two 

 spine like plates between median lobes; between median and 

 middle of rudimentary third lobe, five plates about equaling 

 median lobe in length, all with three or more forks or 

 branches, the second, fourth and fifth wide and much forked, 

 the first and third narrower with small side branches; on 

 outer portion of rudimentary third lobe two smaller simple 

 plates; one simple plate on margin about one-third distance 

 from third lobe to penultimate segment. A pair of spines from 



*Ou the authority of Prof Cockerell. See remarks upon thi.s speclos at location 

 cited. It seams Green sent specimens of A. cudonine, labeled as A. ri/rt?to;;/i»//?i by 

 mistake, to Prof. Cockerell who described theui a.s grirni. 



