V.sr. Nkws, Vol. IX 



PI. IV. 



A NEW TRYPETED. 



(See page 69.) 



EXPLANATION OF FIGURES. 



Fig. 1.— Rhagoletis ribicola 11. sp. 9 . Fig. 4.— Larva. 



« 2.— Ovipositor and sheath. " 5— First two segments of larvse. 



" 3.— External genitalia of male. " 6.— Pupa. 



