— 30— 



ASPIDIOTUS TRICOLOR Ckll. 



Cockerell, Can. Ent Vol. XXIX, p. 366. 



Female scale circular, slightly convex, i 1-3 mm. in 

 diameter, white; exuviae sub-lateral or central, first skin 

 black, second dark orange. 



Female anal segment with median lobes approximately 

 rectangular, large; inner margins straight, parallel to outer 

 ones and to each other; outer and inner corners equal, strong; 

 ends slightly rounding; second and third lobes obsolete. 

 Incision between median and obsolete second lobe narrow, 

 bordered by chitinous processes; second incision small. Two 

 spine-like plates between median lobes, laterad of median 

 lobes five serrate and three short spine-like plates. Ventral 

 grouped glands absent 



Habitat: Salina Cruz, Mex. 



ASPIDIOTUS CUPRESSI Ckll. 



Cockerell. T. D. A.. Am. Maj?. Nat Hist.. Feb. 1899, p 168. 



Body of female oblong. Anal segment broad, posterior 

 angle comparatively obtuse. Median lobes broad, somewhat 

 irregular in outline, short; second and third lobes entirely 

 rudimentary, rudiments even in outline. Median incision 

 shallow, broad, sides straight; second and third incisions 

 rounding. Chitinous processes absent; lateral edges of first 

 incision slightly thickened; inner edge of second incision 

 similarly thickened. A pair of broad di-pointed plates 

 occupying median incision; a broad plate caudad of first 

 incision and one arising from same; three simple plates from 

 rudiment of second lobe; one, usually di-pointed, and three 

 simple spine-like plates laterad of second incision. All 

 plates short, not exceeding median lobes in length. No 

 spines visible on specimens examined. Ventral grouped 

 glands absent. 



