Insects. 9749 



^^') "//"rr^r"'''""' ^"'^^'' ^Emswonh, Hants,July, 1865) in the ^ Enlomolo. 

 gmls Monthly Magazine^ 



Life-Histories of Saw flies. Translated from the Dutch of M. Snellen 

 van Vollenhoven, bj J. W. May, Esq. 



(Continued from page 963;^). 



HVLOTOMA Ros.«, L. 

 LintKBus, Syst. Nat. ii. 925, 30. Fahricius, Spec. Ins. 413 39 

 Goedaert, Metamorph. Nat. i. 28. Rosel, Ins. Belust rol ii 

 Humm. u. Wesp. pi. 2, p. 15. Reaumur, M6moires, vol v 

 Mem. III., p. 102, pi. 14. fig. 1-12. De Geer, Memoires 

 (Crerman trausl.), vol. ii. sec. 2, p. 279, pi. 39, fig. 21—29. 

 Harlig, Blatt-und Holzwespen, p. 85, No. 13. BoucJie 

 Naturgesch. d. Insecten, p. 135. Brischke, Abbild. und 

 Bescreib. p. 11, pi. 11, fig. 4. 



Hylototna rubro-flava, capite cum antennis, thoracis dorso, pectore, 

 alarum costa antica, nee non tibiamm et tarsorum articulorum' 

 apice uigris. 



From the above references, which might easily be added to, it will 

 be seen that this insect has long been known and frequently written 

 about and described, both in the imago and the larva state. In order 

 to avoid repetition, I will first give an account of my own observa- 

 tions, and then see in how far those of other authors differ from them. 

 I wish, however, first to make a remark concerning the nomenclature • 

 It might, possibly, be said that the sawfly now under consideration 

 cannot be the Tenthredo Rosae of Linnaeus, as this author, in the work 

 above referred to, speaks of "antennis septemnodiis." There can 

 however, as De Geer has remarked, be little doubt that Liunsus had 

 our insect in view, as he refers to the figures by Reaumur and Rosel 

 either of which can represent no other than tins species. It is pro- 

 bable that he wrote his description without having the insect actually 

 before him. Hartig writes " Rosarum, Fabr.^ probably onlv a slip of 

 the pen ; it is, however, possible that Klug had, before him, also made 

 the same mistake, which I cannot now verify. 



Towards the end of July last year I had already observed, for above 

 a mouth, a good many of these larvae on bushes of Rosa centifolia in 

 luy 5^rden ; some of the larva; were young and some full-grown, so 



