72. Helophilus. 017 



basi, latc flavis; venlre pallido, apice nigvo. (f$. (Long. 

 4—4] lin.). 



Mas: froiite (lavida, protuberatitiee apice & vcrtice nigris; 



Fem,: froiite latiore straiiiinea, vitta niedia latu ct vcrtice 

 nigris ; in copula. 



Meig. Dipt. 3. MX 6. ^^. Macq. Buff. 1. 509. I. 

 Zelt. Ins. Lapp. 595. l. $]^. Low Benierk. .31. 5. Musca 

 Linn. Fn. 1795. Fiisch. Ins. 4. t. 1.3. Dc G. Ins. 6. 101. 

 3. Schrank Enum. 441. 901. Syrphns Panz. Fn. 22. 21. 

 cf. Fall. Syrph. .30. 26. ^^. EristaUs Fabr. Antl. 233. 7. 

 Elophilus Lalr. gen. 4. 324. 



Hab. in-horlis, pratis & silvis, per Scandinaviam , 

 20 Maj. — 16 Sept., ubique vulgatissimus, velox c$; pipiens, 

 saepe in copula; scilicet in Scania, Blekingia, Ostro- 

 gothia, Olandia, Gottlandia, Nericia, Jeintlandia usqnc 

 ad radices Ilofverberget, Areskutan (t MuIIfjellen, co- 

 piose; in Lapponia Uriiciisi d: Tornensi per regioneni syl- 

 vaticam frequens; in Norvegia a Naes Vajrdaliie usquc ad 

 Schiervoe Nordlandiae, haud raro; e Dania, Finlandia t^ 

 Russia eliam specimina oblinui. 



0+' ilabitus Sijrphi Aibustoruin. Antennae nigrae, seta flava. 

 l*roboscis atra. Siiiciput cinereo-pilosuni. Thorax niger, 

 dorso liiieis 4 aiijuali spatio reniotis, iiitegris, straniineis, 

 lateralibus latioribus, niediis angustatis. Seutelhiin flavi- 

 duni. Pleurie schistacete. Abdoinen nigruni , l:iiio segiiien- 

 to cano ; 2:do niacula utrinque niagna trigona flava; 3:tio 

 macula laterali ejiisdem fornia (in niare paullo niajore iiuani 

 in feniina), sed sjepe fiilva & aiigulo interiore nuicula nii- 

 nore glauca p!eruni(|ue notato vel aticto ; 4:to fascia angii- 

 stata, subrecta seu iionnilii! arciiata , interriipta, (iiiiiaiea ; 

 5:to plerumque retracto, vestigio fascioUe interruptie cine- 

 reee. Segmenta 2,3,4 niargine apicali testacea. V"ciitcr 

 albidus, ima basi iSc segmentis2((?) aut '6 ($)nliiiuis ni- 



