S^|e Canabiau ^utomoloiiiixl 



VOL. VI. 



LONDON, ONT., AUGUST, 1874. 



No. 8 



ON SOME OF OUR COMMON INSECTS. 



18.— THE SPOTTED PELIDNOTA—PcHdjiotapunctata^Unn. 



Y\%. 



BY THE EDITOR. 



This large and handsome beetle is an enemy to the grape vine. It 

 attacks the foliage, eating numerous holes in the leaves, and sometimes 



when the beetles are abun- 

 dant, completely riddling 

 them. Damage from this 

 cause to any great extent is 

 however, fortunately of rare 

 occurrence; in most instances 

 the beetles are not numerous, 

 but even where only occasion- 

 ally met with, their size and 

 beauty will always attract 

 notice. 



In the accompanying figure 

 24 (after Riley) this insect 

 is shown in its three stages of 



larva {a), chrysalis {I)), and beetle {c) ; it is in the latter state only that 



it is injurious to the vine. 



The beetle measures about one inch in length, and half an inch in 

 width at its widest part, is nearly oval in form and of a dull reddish yellow 

 color, with a polished surface. The thorax, which is slightly darker than 

 the wing covers, has a small black spot on each side, and there are three 

 larger ones on each wing case. The jaws and posterior jDart of the head 

 are both black ; so also is the scutellum, which is a small, nearly triangular 

 piece placed near the centre above, just where the two anterior edges of 



