I'AM. 1'J10H1D.K - 



th.ckene.!. ll.n.l „l.,a. ..hnoM aluavs w,.l, „„e -, ,en .. m..e stou, e.Kternal .nacrochaetae befon- the 

 t,p. Pore an.l nn.l.lU. „l,u. als., in ,nos, .:as..s with oxternal bristles before the tip. Tibial spurs well- 

 developed, th..se of ,he posterio, legs often wi,h f.orn one to four auxiliary sp.nes. Wings la.f,e the 

 n.e,l,as„nal v.-.n ..,,1,,., preson, „r uan„n,, ,h,„I vein fo.ked near the apex; costal ve.n bristly, posterior 

 w..ig margin bnstl\ at the .oot of ,he vvint;. 



Type species : /'. Ilwracica, Meigeii. 



Geographical distribution of species. - A genus of ve.y wide distnbution no ,Ioub, 

 occurnng on all ,he ,.„„,„„.,„s althou.h „„,„^ have yet been d.scovered ,n South America ^r S^uthl,;: 



.. P. abhrevmta. von Roser, Wurte.nb. Conespon.lenzbl. p. 64 (i.S+o) (Ku.opei 

 sordidipennis. Dufour, Mem. Soc. Sc. Lille. p. .^2^ (1841, 



2. P. ahdominaUs. Fallen. Dipt. Suec. Ph>,. ,.. 5, 2 (1823) (Europe). 



Bibiotiuiea. Fabricius. Ent. Syst. Vol'. ^. p. 255. N (17941. 

 P. pMtim,. Zetterstedt. Dipt. Scand. Vol. 7. p. 3868, 18 (1848) 

 P.Jhxuos,,. Egger, Verh. Zool. Bot. Ges. VVien, Vol. 12, p. i233 h«62). 

 P.Uilviventris. Bohemann. Ent. Resa. p. 208 (iS5i) 



3. ?P. algua. Macqua.,, Dipt. Rxot. Vol. 2, p. 270 (1843) (Algiers) 



4. P. apima, Schiner, i.auna Adelsb. (iro,,.^ p. ,8 ( iS53) (Europel 



5. P. auln.nalis. Hecker. Abh. Zool.-bo,. ..es. VV,en, Vol. ,, p. 4, (..o:) (C.ermanv). 



6. P. Bcr.a.sa.,n.,. M,k, e,-h. Zool.-bo,. Ces. W,en, V„l. ^4, p. 793 (: 864) (Europe, Egyp,) 



sp/uiisiades. Bouche, Natur-. Ins. Vol. i, p. ,„, ,,8^4, ^ ^.-.>Pt;. 



7. P. ^.W... Becker, Abh. Zool.-bot. (ies. W.en. Vol. .. p. .7 (,901) (Sweden). 



8. P. CoM, MdncK r.ans. Amer. En,. Soc. Vol. 29, p. 346 (1904) fNew York). 

 0. P. co„a,.,a Me.gen, Sys,. Beschr. Vol. ... p. 32, (i83oi (Europe, .Vorth Amer.ca) 



liictuvi,,. Meigen, ulem. Vol. 7, p. 412 , ,«38,. '' 



distiiicta. Egger. Verh. Zool.-bot. Ges. Wien. Vol. , • p i233 Um-'^ 

 Syinnoplioriiic. Zctterstedt, Dipt. .Scand. Vol. 7, p. 2864 ' 1848) 

 tseudoconcinna, Strobl. Phoriden Oesterr. ).. 199 (1893,. 

 cimhicis, .\ldrich. Canad. Entom. Vul. 24. p. 143 '1892) 



lu. ^•^'-«^«'■^''«A.. Mei.gen, Syst. Beschr.Vol.b,p.22o(i83o)(Europe, U S M 

 ir. P. curv,„er,;s. Becker. Abh. Zool.-bot. Ges. W.en, Vol. i. p. 33 (rgoi) (Europe) 



'''^2-oX ^' "^^^ ' ""'• '"'"" -^'""- ^"^- ^°'^-^'"l- ^'^- ••• 35o( .,04) rS..uthen, V. S. A.. 



- u r.1. '■''.'"'7'f' •"• '''^'='''^>-. -\''h- Zool.-bo,. Ges. Wicn, Vol. ,. p. 32 U901, 

 .0. P. Dokr,,,. Dahl, S.tzb natu..f. Freunde, No. xo, p. ,88 (,898) (B.smarck Arch.pela^o, 

 P. <iorsa,s. Becker Abh. Zool.-bot. Ges. W.en, Vol. ., p. 3i (rgoi) (Europe). ^ '" 



P. .0''W«/«. s.robi, Phonden Oesten. p. 195 (1893) (Europe) 

 P. e.c,sa. Becker. Abh. Zool.-bot. Ges. Wien, Vol. ,, p. 28 (.901) (Europe;. 

 P. Fe,„„ca, Becker. idem, p. 22 (1901) (Europe). 



P^.tralerc^da. Brues, Trans. Amer. Ent. Soc. Vol. 29, p. 341 (1904) (U. S ^ ) 

 P. ,„c,suralts. Loew, Centuria 7. p. 52 (1866) (U s' A ) ' 



P. /.«»^..„. Alddch. Canad. Entom. Vol. 24, p. ,45 (1892) (U. S. \ ). 

 / . lugubns. Me.gen, Syst. Beschr. Vol. 6, p. 217 ri83o) (Europe). 

 P. »,ac,ilala, Meigen, idem, p. 214 (i83o) (Europe). 



■Mgaris. v„r., Fallen, Dipt. Suec. Phytomyzides, Vol. 6. p 5 ,,SM, 

 ««/«/.^Zetterstedt, Dipt. Scand.Vol.7, p.2854(iS4,s, '" "' 



punctipninis. Zetterstedt. idem, p. 2855 (1848) 

 liclicivora. Dufour. Mem. Soc. Sc. Lille, p. 420 1184.) 

 iiavcornis. Macquart, H,st. .\.-,t. Dipt. Vol. 2, p. 626 (i835. 

 2i. P. m,croccphaia. J,oew. Centuria 7, p. 5, (1866) (U. S A ) 

 ^4. P. ,nuif,ser,„l„. Aldr,ch 'IVanq 4mpr Pr>f c, ., i/ 1 > - 



,- rans. Amer. Ent. so.-. \ „1. 2.,. p. 347 (1904) (U. S. A.) (non Strobl). 



14 

 ..S 

 16 

 17 



19 

 20 



2. 

 22 



