12T8 125. Dexia. 



niodice & fcre parallclitcr lata, vjtta modice lata, iiigra. 

 Anteiinaj incumbciites, longituiline epistomatis, angustse, ar- 

 ticulo ultiiiio basalibus rufis fere triplo longiore, nigro, se- 

 ta biaiticulata, bieviter puberula, vix ad niedium incrassa- 

 ta. Epistoma subperpeiidiculare, nuduni, vibrissis inferne 

 spuriis, macula utrinque ad os seepe rufa. Margo oris non 

 reflexus, Thorax glaucus, vittis 2 lateralibus (in iiljesis) 

 brunneo-nigris. Scufellum glaucun), laleribus nigrum, 

 Abdomen nigruni, nitidtim, lateribiis (in segmcntis 1, 2 d- 3) 

 rufis, cingulo in basi segmcntorum 2 tt 3 certo situ albo- 

 micante ; segmentis subfcque loiigis, in disco it margine 

 apicali setosis. Alaruin nervi fere iit in D. cariiiifronle 

 directi, sed nervus long. 4:tus magis acutangulatini flexus, 

 infra angulum perspicue continuatiis. Area apice distincte 

 occlusa (nui)ime aperta), d: spinula costa>. evidcns. Nervus 

 long. 3:tius basi setulosiis. SquaniBe albee. Halteres testa- 

 cei. Pcdes nigri, femoribus rufo-flavis. Pulvilli & iingves 

 in utroque sexu parvi. — Valde affinis Tachince laterali 

 n:o 192. 



15. D. ^riitescens : clnerca, capile cano, epislomale 

 infcrne rufcscenlc j anlcnnanim nigrarum basi, palpis li- 

 biisque lcslaccis* villa fronlali picca; pcdibus nigris; alis 

 subbyalinis, ncrvo longitudinali l:lo infra angulum non con- 

 linualo; anlcnnarum scta plumala. ^'^. (Long. 2 — 2^ lin.). 



Var. a. J''^- pedibus nigris, libiis teslaceis. 



Meig. Oipl. 5. 15. 2\. ^. & ?. 2?0. 10. Musca Fall. 

 Muscid. 4.L 16. ($. Diiiera Macq. Buff. 2. 211.' 1. ^. 



Var. b. (^^. pcdibtis lcslaceis, larsis nigris. 



Hab. ulraquc variclais in (loribus AcbilicccMillcrol. 

 dc, pcr horlos & prala Succiaj mcridionalis A mcditc; 

 locis plerumque aridis soope lilloralibus, 27 Jun,— Jul. — 

 29 Aug., passim; sciliccl in Scania ad Lund, Eperod, Ki- 

 vik, Raduuda dc, sal frcqucns; in Smolandia ad villam 



