44 H. C. HUCKETT 



Pegomyin dissecfo ]\Ieigen 



ls26 Ardhrymyia. dlaeda Meig. Syst. Beschj-.-vol. o. p. 176,, no. 160, 6- 

 1S26 Ardhornyia infirma Meig. Syst. Beschr.. vol. 5, p. 176, no. 161. 

 1S66 ChfjTtophila ignota Eond. Atti 5oc. Milano. vol. 9. p. 168. no. 20, 6 ■ 

 1S9.3 Anthornyia h.umerella Strobi nee Zett. p. p. Verb. Zool.-Bot. Ges. Wien, vol. 4.3, 

 p. 256. 

 LocaJitie.s. — 12 6. So. McLean Bogs Cnear Ithaca";. ^Mav 7, 1922; 15. Ringwood (near 

 Ithaca . July 13. 1920.' 16 specimens: 12 males. 4 females. Figures 23, 119, 152, on 

 plates in this memoir. 



Pegomyia fringiUa ]\Ialloch 



1920 Mall. Trans. Amer. Ent. Soc. vol. 46. p. 181. 

 Localitie^s— 1 2 . Ithaca. May 2. 1915; 2 5 . May 15. 1915; 1 ? . May 28. 1922; 1 5 , June 

 27; 1913. 5 specimens: 1 male. 4 females. Figure 158 on Plate XIII. 



Pegomyia fuscofasciata ]\Ialloch 



1920 MaU. Trans. Amer. Ent. Soc, vol. 46, p. 178. 



Female. — Head and thorax blackish; abdomen reddish testaceous; frontal %-itta, para- 

 frontals. paiafacials. face, and cheeks, black, with whitish pruinescence. Antennae with 

 first and second segments, and base of third segment. yeUowish; remainder of third segment 

 infuscated. Palpi yeUow. Proboscis fuscous, pohshed. shining. Thorax blackish, with 

 dense whitish poUen. gi\'ing a bluish black color; no traces of "vittae; scutellum with apex 

 yello'wish; humeral callosities blackish or yellowish testaceous. Abdomen non-\'ittate, 

 with black posterior tergal incisiires traces only of such on fifth tergum'. Legs yellow. 

 Tarsi fuscous. Wings clear. Cah"ptrae whitish. Halteres yeUowish. 



Eyes separated by a frons equal in breadth to length of antennae; cruciate bristles present. 

 Parafrontals and parafacials. in profile, very narrow. Third antenna! segment nearly twice 

 as long as broad. .Arista with sparse, short pubescence, even to tip. Thorax ■with acrosticals 

 well developed, in two regular rows, 'with numerous setulae between the rows. Pra about 

 half as long as the follo'ning bristle, Sternopleurals, 1:2, with a weaker anteroventral 

 bristle. Fore tibia with one dorsal and one median posteroventral bristle. Mid femur with 

 two basal ventral bristles; mid tibia with one anterodorsal. one posterodorsal. and two postero- 

 ventral bristles. Hind femur with a row of diverse anteroventral bristles; posteroventral 

 surface bare; hind tibia with one anteroventral. three uniform shortish anterodorsal, and two 

 posterodorsal bristles; posterior surface bare. Mid and hind tarsi with third, fourth, and 

 fifth segments broadened considerably. Costal thorn distinct. Lower calyptra protruding 

 beyond margin of upper. Length, 5 mm. 



Localities.— 1 c • Ithaca, June 10. 1920; 66 . Little Xeck. Long Island, June 25. 1921; 1 9 , 

 Piingwood 'near Ithaca . June 26. 1920; 15, Taughannock Falls 'near Ithaca), June 26, 

 1920 'collected by M, D, Leonardj; 1 5 . Smithtown, Long Island. .June 28. 1921; 2 6 . Hemp- 

 stead. Long Island. August 16. 1921; 19. Peari Point. Lake George. August 31, 1920 Ccol- 

 lected by M. D. Leonard ; 12. SheKing Eock Bridge. Lake George. September 2, 1920 

 ("collected by M. D. Leonard. 14 specimens: 10 males. 4 females. Figures 29, 83, 126,. 

 186. on plates in this memoir. - 



Allotype. — In the Cornell University collection, Ithaca, New York, 



Pegomyia geniculata Bouche 



1834 Anthornyia geniculata Bouche. Xaturgesch. Ins.. vol. 1. p. 81. no. 69. 



1840 Anthornyia univittata v. Eos. Correspondenzbl. Wiirttemb. Ver., vol. 1. p. 59. ? 



1846 Anthornyza ephippium Zett. Dipt. Scand.. vol. 5. p. 1790, no. 174. 



1866 Anthornyia euphyppiurn Eond. Atti Soc. Milano, vol. 9, p. 155, no. 17. 



' The descriptions and figures of the ovipositor in a recent paper by the miter (Huckett, 1921) represent 

 (a) fttgcofa^ciata and not irinthemi (figtire 24), and (b) geniculata and not unicolor (figure 26). 



