26 Bulletin de la Société Entomologique d'Egypte 



lo the filaments being niuoii siioiier & hence not meet- 

 ing. 



The growth is fairly rapid and alter a period ol" 

 I'rom Ö to 8 days, the young larva attains a length of 

 1, 3 to ]. 5 mm. by U. 2 - Ü. 3 mm. in breadth & then 

 moulls. 



Second stage Larva. 



During this stage the larva grows lo a size of 

 about 3 to 3. 3 mm. in length by 0. 5 mm. in breadth. 

 The lilamenls of the anal processes become relatively 

 longer. 'I'be appearance of this stage comes loai){)roach 

 more closely thai of the aduli larva. 



The duration of this stage varies from 14 to K) days. 



Third stage Larva. 



In appearance Ibis 3rd stage closely resembles 

 sthe preceding but may be distinguished by its large 

 ize, being about 4. ."> to 4. (S mm. in length by 0. <Sr 

 mm. in breadtb. The duration of Ibis stage is from 

 14 to IH days, after wbich it moulls to the adult larva. 



Fourth stage Larva. 



The full growii larxa measuies from «S lo \) mm. 

 in length l)y 1. 4 mm. in breadth. The body is 

 cylindrical & consists of eleven segments and a head. 



The head is small & completely exseried and on its 

 sides, l)elow the minute antennae are the eye spots, which 

 are oval in shape, convex &. {)ignienled. In I he centre 

 il Ihe upper surface of Ihe head is Ihe clypeus, which. 

 so very characlerislic in form, coiislruclion & position 



