80. Chrysogaster. 821 



fronte feminse Iransversim inlerruple slriala. cf^. (Long. 

 c? 2, $ 2i lin.). 



Mas: antennis niagnis, orbiculatis , atris; fronte niinus lata, 



punctulata, striola niedia longitudinali impressa; abdomi- 



ne oblongo ; 

 Fein.: antennis majusculis (minoribus tamen quam in o)j 



articulo ultimo ovato-rotundato , nigro, aut nigro-fusco; 



fronte lata, in medio utrinque transversim striata , striis 



per sulculum medium longitudinalem interruptis; abdomine 



magno , rotundato^ in copula. 



Var. a. J'^. abdomine in utroque sexu viridi-aeneo. 

 Meig. Dipt. 3. 261. 3. $. Macq. Buff. 1. 561. 1. ?. 

 Zetl. Ins. Lapp. 615. 1. (^^. Erislalis Fabr. Anll. 216. 

 67. Fali. Syrph. 57. 16. ^^. Chrys. discicornis Meig. 

 Dipt. 3. 270. 8. ^. Low Bemerk. 31. 5. ^. 



Var. b. $ (in copula cum ^ varietalis a.) , abdomine 

 supra violaceo, margine a;neo. Chrys. violacea Meig. 

 Dipt. 3. 267. 2. $. Macq. Buff. 1. 561. 2. $. 



Hab. in floribus cfe graminosis, sa^pe locis paludosis, 

 per Scandinaviam, 20 Maji— Jun.— Jul.— 29 Aug., vul- 

 garis, in copula plurics caplus; scilicet in Scania ubi- 

 que copiosissimus; in Blekingia, Smolandia (fc Ostrogolhia 

 quoque frequenlissimus; in Olandia ad Ekerum dc. 

 passim; in Gottlandia ad Ruthe, Wcsto, Furillen, Gar- 

 derums, Eke, Slenkyrka dc. vulgaris; in Uplandia ad 

 Holmiam, D. IVahlberg; supra Nericiam niihi non ob- 

 vius; e Dania a D. Siaeger missus. (Ad Hamburgum, 

 Neuen Kirchen atque eliam ad Eldenam Gcrmaniae a D. 

 J)ah/bom frequenler loctus). Var. a. multo frequentius 

 occurrit. 



O?" Totus viridi-ceneus , nitidus, glabcr I. subglaber. Oculi 

 brunnei. £pistoma impressum, non tuberculatum , albo- 

 pullinusuni, apice distincte rellexum , nuduni. Scutellum 



