898.] ENTOMOLOGICAL NEWS. 69 



DEPARTMENT OF ECONOMIC ENTOMOLOGY. 



Edited by Prof. JOHN B. SMITH, ScD., New Brunswick, N. J. 



Papers for this department are solicited. They should be sent to the editor, Prof. Job. 

 . Smith, Sc.D., New Brunswick, N.J. 



A NEW TRYPETID OF ECONOMIC IMPORTANCE. 



By R. W. Doane. 



(Washington Agricultural College and School of Science.) 



Since the publication of Loew's Monograph, two new species 

 belonging to the genus Rhagoletis have been described; one R. 

 zephyria Snow, in Kan. Univ. Quar. ii, 164; the other R. for- 

 vwsa Coquillett, in Canadian Entomologist, xxvi, 71. These 

 with the species described herewith make six species belonging 

 to this genus, which may be separated by the following table 

 based principally on the wing markings. 



With three cross-bands and two spots; the first spot between apices of 

 first and second veins, the second in apex of first posterior 



cell formosa Coq. 



With four cross-bands. 

 First and second cross-bands connected posteriorly. 

 Second and third cross-bands not connected anteriorly. 



tabellaria Fitch. 

 Second and third cross-bands connected anteriorly. 



Length 3.5 to 4.5 mm pomonella Walsh. 



Length 2.5 to 3 mm zephyria* Snow. 



First and second cross-bands converging, but not connected posteriorly. 

 With a brownish spot at tip of vein three . . cingulata Loew. 

 With no such spot ribicola n. sp. 



Rhagoletis ribicola n. sp. tf $ . — Black, head and its appendages yellow- 

 ish, a dark blotch on the vertical triangle. Last joint of the antennae 

 very slightly concave on dorsal side, anterior corner rather sharp; moder- 



* I have not seen this species, and can find nothing in the description of zephyria that 

 is not true to a greater or less extent of pomonella. As the depth of coloration varies 

 considerably in both species, little dependence can be placed on this character. I have 

 one specimen of pomonella from Massachusetts in which the hyaline space between the 

 second and third cross-bands reaches the fourth vein, and in which the fourth band fills 

 out the tip to as great an extent as in Mr. Snow's figure of zephyria. The description of 

 zephyria was drawn up from three males from Southern California. Two other specimens 

 are mentioned from the same locality in which the cross-veins are more approximate, in 

 fact just as they are \n pomonella, so that the difference in size seems to be about the only 

 thing that would separate the species, and as this is subject to considerable variation in 

 both instances it would seem that zephyria is not a distinct species. 



