LIST OF DIPTERA. ' 345 



4. ASTOMELLA LiNDENII. 



Nigra, luteo villosa ; abdomen testaceum, segmentis quatuor priniis 

 dorso nigra maculatis ; pedes testacei ; alee abdomine breviores. 



Astomella Vaxelii, Vanderlinden, Bull. Soc. Philomat. 1822; Diet. 



Class. Hist. Nat. Art. Astomella. Macq. Hist. Nat. Dipt. i. 



367, 2. 

 Astomella Lindenii, Erichs. Entomogr. i. 159, 4. 



Italy. 



Genus 12. PIALEA. 



Oculi hirti, remoti. Ocelli duo. Proboscis brevis. Antennfe 

 triarticulatae, fronte insertae, basi connatae. Prolhoracis lobi dor- 

 sales remoti. 



Pialea, Erichs. Entomogr. i. 160. 



Subcostal vein ending at beyond half the length of the wing ; 

 mediastinal extending far beyond the subcostal ; radial ending at 

 far in front of the tip of the wing; cubital including the tip of the 

 wing between its forks; two incomplete externo-medial veins ; sub- 

 anal vein nearly reaching the border ; anal vein much abbreviated ; 

 discal areolet long, narrow, tetragonal. 



1. Pialea lomata. 



Nigra, cinereo pubescens ; abdominis limbus apicalis testaceus ,- 

 pedes fusci, femoribtis basi pallidis, tibiis posticis basi palli- 

 dis infra medium incrassatis, tarsorum articulis 2o, 3o, 4o 

 totis, bo basi iestaceis ; alcefusco hyalince ; halteres fusci. 



Pialea lomata, Erichs. Entomogr. i. 161, 1, pi. 1, f. 9. 

 Brazil. 



Genus 13. PHYSEGASTER. 



Oculi villosi. Ocelli duo distincti. Proboscis brevis, occulta ; 

 antennae triarliculata;, capitis basi insertae ; articuli lus et 2us bre- 

 vis ; 3us elongatus ; arista nulla. Thorax villosus. Abdomen fere 

 nudum. Pedes nudi ; tibise apice subcalcaratee. 



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