186 



THE CANADIAN ENTOMOLOGIST. 



The second and third thoracic segments are similarly marked, but the 

 spots are more elongated transversely, and all are gray or lead-coloured. 

 The abdominal segments have one transverse spot or band each side of 

 the median line instead of two as on the thorax. These spots and the 

 marginal markings are of the same colour as those on the second and 

 third thoracic segments. The markings are such as to give the appearance 

 of a narrow median white line, with slightly broader, submarginal whitish 

 lines, with margins and cross-bands of gray or lead-colour. Each segment 

 of the body bears a number of short hairs. The legs are gray, tipped 

 with white. 



The head is gray and narrow, and can scarcely be seen from above 

 when the larva is feeding. It attacks an aleyrodid, eating a circular hole 

 in the dorsum usually of the thoracic region, and 

 devours the inner portion, leaving the shell or 

 skin. Many punctured empty skins were found 

 on the leaves. The accompanying illustration is 

 from a camera lucida sketch, and shows the 

 appearance of the larva while feeding upon a 

 specimen of Aleyrodes. (Fig. 1 2). 



Pupa: Length, 2.5 mm., including the cast 

 skin; width, 1.5 mm. Colour creamy white, cast 

 skin gray, and covering about one-third of the 

 caudal extremity. The pupa is fastened to the leaf 

 after the manner of the Coccinellidcz. 



The writer visited Poquonock September 

 1 2th, and tried to find more of these larvse, but 

 they had all transformed. A number of small 

 black beetles were found on the hazel leaves, and, 

 as was expected, proved to be specifically identical 

 with the reared specimens. These were not seen 

 feeding upon the Aleyrodes. which were very 



abundant at this time on the leaves ; but the beetles were hurrying about 

 over the leaves, as if hunting for something, perhaps food, possibly a 

 place to oviposit, but more likely a sheltered place in which to pass the 

 winter. These brief notes give no idea of the number of broods of 

 Deiphasius, but possibly the coming season may present an opportunity 

 to continue the observations. From our knowledge of other Coccinellidce, 

 it may be assumed that there are at least two broods each season. 



Fit 



