462 NEUROPTERA. chap. 



be somewhat similar to the long stalks on which the eggs of 

 Chrysopa (Fig. 314) are placed. 



Sub-Fam. 3. Nemopterides. Head more or less pi^oduced and 

 teak-like. Hind wings of peculiar form, being elongate and 

 somewhat strap-like. 



The Nemopterides are a small group of delicate, graceful Insects. 



Fig. 305. Nemoptera ledereri. Asia Minor. Fig. 306. Presumed larva of Nemoptera 

 (After Selys.) A, The imago; B, its head {Necrophilus ai-enarius). After Roux. Pyra- 



seen from in front and magnified. mids of Egypt. 



About thirty species are known. Knowledge of the group is 

 still very imperfect. A larva has been found of a most remarkable 

 nature that probably belongs to it ; it was described under the 

 name of JVecrophilus arenarius, and considered to be a fully- 

 developed Insect. This larva occurs in the tombs and pyramids 

 of Egypt where sand has accumvilated. The perfect Insects of 

 the genus Nemoptera are, however, found in open places amongst 

 bushes, and flit about in a very graceful manner. Several species 

 are found in Southern Europe and the Mediterranean region 



