1804 138. Ochlera. 



(lei>ressiini, 6-anniilatuiu *). Nervi alarum : longitiiclinalis 4:11^^ 

 in disco nunnihil arciialim ilexus mox pone ajiicem al» excur- 

 rit; transversus meilius (anlerior Stenli.) apici auxiliaris oppo- 

 situs ; transversus ordinarius propius ad marginem retractus, 

 oMiquus. Pedes antici • coxis elongatis, femoribus maximis, 

 subtus spinulosis. Cvlor nJRricans. Motu: a>gre reptansj tar- 

 «le volans. Habitatio in jilantis aqvaticis, in quarum cauliltus 

 larvffi vivunt. Discrimen sexiis; iiias: abdomine jiaullo angu- 

 stiore, ano obtuso, rotundalo, segmento 6:to inllexo ovato 

 convexo ajiice bifido, ajiertura ani basali foveolato-imjiressa 

 medio carinato-tuberculata ; femina: ano acutiusculo, segmento 

 6:to annulato ultra 5:tum extenso. 



1. 0. Manlis : olivaceo-uigricans, cpislomale ar- 

 genteo-inicanle, abdoniinis laleribus albo-maculalis. ^'^. 

 (Long. 2 lin. &, ullra). 



Lalr. Gen. Ins. 4. 348. l. 15. f. 10. Meig. Dipl. 6. 

 78. 1. l. 48. f. 21. Miicq. Buff. 2. 519. 1. t. 21. f. 1. Zell. 

 Ins. Lapp. 715. 1. (^$. Slenhamm. Monogr. p. 166. 1. cf^. 

 f. 1 caput, f. 2 ala. — Musca Degeer Ins. 6. 143. l. 8. 

 f. 15. Tepkritis manicata Fabr.. Anll. 323. 36. Ochlera 

 manicata Fall. Hyclromyzides. 1823. 2. 1. ^'^. 



Hab. in plantis aqvalicis ad ripas lacuum cfe lillora 

 maris uli etiam ad margines fossarum, per Scandinaviam, 

 Jul. — SepL, passim, in copula; scilicet in Scania minus 

 freq.; in Smolandia ad Skaisjo; in Ostrogolhia ad Larke- 

 lorp, Wadslena, Gusum (tc, non raro; in Gotliandia ad 

 'Golhem dc; in Uplandia adHolmiam; in Bahusia ad Mar- 

 slrand ; in Dalecarlia ad Rorshyllan haud parcc, D. Dahlbom ; 

 in Botlnia occidenlali ad Skelicflea, D. Wahlberg; in Lap- 



*) omnes sjiecies liujus Famili<e abdomine fi-annulalo gaudent, 

 teste D. Sten/iamuiar. - 



