10 
BULLETIN 10:| 
DEPARTMENT OF AGRICULTURE. 
possess powerful jaws with which they attack their prey. This 
species is quite beneficial. 
Scymnus utills Horn. — The most important enemy of the red 
spider found up fo this time is a very small black ladybird beetle 
i -ft > 
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m 
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Fig. 6. — Scymim* utilis: a. Larva: h, pupa: c. adulr. Greatly enlarged. 
(fig. 6. c) about iVinch long. With the beetles may be found their 
dark brown larva? (fig. 6. a), also feeding on all stages of the red 
spider. 
Scymnus kineeli Casey is another ladybird beetle found feeding in 
both the larva and adult stages on the red spider. It is larger than 
x y 
Fig. 7. — heptothrips malt; Adult thrips. Greatly enlarged. 
the former, the abdomen is black, and the head reddish. It is not 
a very abundant species and is not as beneficial as the former beetle. 
Leptothrips mali Hinds is a large black thrips (fig. 7) predatory 
in both the larva and adult stages, and when present is very active 
