132 THE ENTOMOLOGIST. 



third, because of being wingless, and by having a correspond- 

 ing want of development in the mesothorax. Their mode of 

 life is unknown. 



ECTEOiHA FULVESCEXS. 



Life-histories of Sawjlies. Translated from the Dutch of 

 M. S. C. Snellen van Vollenhoven, President of the 

 Entomological Society of the Netherlands. By J. W. 

 May, Esq. 



(Continued from p. 97.) 



Nematus Betularius, Hart. 



Larva and imago, Hartig. Blatt und Holzwespen., p. 192, 



No. 17. 



Nematus niger, prothorace, abdomine, pedibusque auran- 

 tiacis, labro pallido, tarsis anterioribus el tibiarum 

 poslicarum apice brunneis, tarsis posticis nigricantibus, 

 stigmale fusco. 



In the month of August, during the wet summer of 1866, 

 I was at Wort-Rhede, in Gelderland : my daily excursions 

 about Beckhuizen, and the heath near Rhederoord, being 

 very unproductive, I was agreeably surprised one moderately 

 dry afternoon by finding some sawfly larvae, which I did not 

 then remember to have seen or read of before, although it 

 afterwards occurred to me that I had once observed similar 

 larvae at Roozendaal, and on a previous occasion at 

 Gliphoeve. I at once saw they were Nematus larvae, recog- 

 nizable, among other characteristics, by their habit of curving 

 the abdomen over the head. They appeared to me to be 



