16 H. C. HUCKETT 



idrophoria orientalis sp. nov. 



Afafe.— Blackish species, subshining: head black; face, parafacials. and cheeks with 

 whitish pruinescence: antennae and palpi black. Thorax black, thinlv covered with grayish 

 pollen; mesonotum. when viewed from above and-in front, ^ith a broad median ^-itta and 

 narrow sublaterals which are indistinct. Abdomen bluish black, with a den.=^e covering of 

 grayish pollen; a blackish brown dorsocentral ^itta and well-marked transverse incisures 

 across cephahc margin of terga .3, 4, and .5. Legs entirelv blackish; pul^•illi tinged Wings 

 shghtly mfuscated, yellowish brown; veins yellowish; cross-veins r-m and m-cu clear Cah-^- 

 trae white; halteres pale, whitish. " ' ^ 



Eyes separated at narrowest by a distance equal to diameter of anterior oceUus- parafacials 

 when \-iewed m profile, narrower throughout their extent than width of third antennal seg- 

 ment; cheekS; m profile, .shghtly broader than width of third antennal .segment, bristles con- 

 faned to the ventral and caudal margins. Antennae nearlv reaching oral margin- second 

 segment short, thud .segment about three times the length of .second. Arista plumose the 

 longest han-s about equal to width of third antennal segment. Palpi .short, .somewhat broad- 

 ened. Ihorax with paired acrostical bristles in a regular series, between which are scattered 

 accessoiy setulae; posthumeral bristle weakly duplicated; pra' about half the length of the 

 following bristle; sterno-pleurak, 1;2. Abdomen subcyHndrical. with a narrow Unear 

 dorsocentral bristle; proces.ses of fifth sternum broad and platelike.' with numerous hair== and 

 bristles which become stronger apicad. the inner borders clothed with a mat of short black 

 hairs (similar in character to that of Pegmmjia juienilk Steiuj, the apices of the proces^e^ 

 marked by a collection of hairs and .short bristles. Fore tibia with one anterodorsal and 



hwttfr "T ^ \ r^'^- ^"T" ^"^ '^'^ ''' ^°^ ''-'^'^y -^P^^-^^ P^^-^^^al posteroventral 

 bnstles. and a paraUel .series of posteroventral setulae along distal half; mid tibia with an 

 anteroventral setula. one anterodor.sal one posterodorsal, and one posteroventral brittle 

 Hmd femur with a series of unequal, widely .spaced, anteroventral bristles, and two median 

 posteroventral bristles besides the normal apical setae; hind tibia with one anteroventral 

 two or three a^nterodorsal. and two or three posterodor.sal bristles. PuhiUi large elongate- 

 claws smaU. Lower calyptra distinctly protruded beyond upper. Length, 6 Wi. 

 LocalUy.— 1 6 , Baiting Hollow, near Pdverhead. Long Island lugust 18 19'>3 

 Jype.— ln the Cornell University collection, Ithaca, Xew York. '' " ' 



_ HydrophoHa orientalis most clcsely resembles H. vrnformis from which 



^i,?^"". ''''^'^'^^' dLstmgmshed by the appearance of the proces.=e.- of the 

 tilth sternum. 



Hydrophoria ruralis IMeigen 



1826 Anthomyia ruralis Meig. Svst. Beschr.. vol. -5 p 101 



loon ^y^'^^'phoria subpellucida MaU. Trans. Amer. Ent. .Soc. vol 44 d 996 ' 

 iy2U Hydrophona subpellucem Mall. Canad. Ent., vol. .52, p. 253. ' ? " " ' ' 

 Locality — 1 6 , Ithaca, no date given TcoUected by 0. A. .Johannsen). 



Hydrophona uniformis IMalloch 



1918 Mall. Trans. Amer. Ent. .Soc. vol. 44. p. 297. 

 i?eca7-c/«.-Earne.st: Lake Ridge, near Ithaca, May 6. 1922. Latest: fold Spring Harbor 



Long Island .September 2, 1921. 93 specimens: 90 males. 3 females. F-^gw™ S7 147 



169, on plates in this memoir. ' ^suies -t-j. ai , it/. 



Genus Hylemyia Robineau-Desvoidy 



!Sn S^K-'S'^'- EssaiMyod.,p. 5.50, no. 1. Hylemvia p. p. 



^JS^ 5''u-"S'^''- Essai Myod.. p. .5.55, no. 2. ?Egeria. 



}sQn 5°K-"S''-'''- Essai Myod.. p. .5.57, no. 3. Xerina p. p. 



!Sn 5«^S^«^'- E.ssai Myod.. p. .5.58, no. 4. Adia p. p. 



1830 Rob.-Desv. Es.sai Myod.. p. .5.59, no. 5. Phorbia p. p 



