Coenosia albifronta Xue et Wang, 2014

Xue, Wanqi, Wang, Ping & R, P., 2014, Diagnosis Of The Coenosia Mollicula-Group (Diptera: Muscidae), With Descriptions Of Five New Species From China, Acta Zoologica Academiae Scientiarum Hungaricae 60 (2), pp. 157-172 : 162-164

Coenosia albifronta Xue et Wang , sp. n.

(Figs 9–12)

Holotype: male, China, Pianmatown , Lushuicounty, YunnanProvince, 3153 m, 10. vii. 2009, collectedbyShuaiWang.

Paratypes: 10 males, China, Pianmatown , Lushuicounty, YunnanProvince, 3153 m, 8. vii. 2009, collectedbyShuchongBai ; 6 males, China, Pianmatown , Lushuicounty, Yun- nanProvince, 3153 m, 10. vii. 2009, collectedbyWenxiuDong ; 23 females, China, Pianma town , Lushuicounty, YunnanProvince, 3153 m, 10. vii. 2009, collectedbyShuchongBai ; 15 females, Samedataasholotype.

Male: Bodylength 4.4–4.7 mm.

Head: Eyebare, lowerposteriormarginnotconcave; fronsabout 0.31–0.33 ofhead inwidth, fronsdenselycoveredwithsilverpruinosity; frontalvittablack, about 3.0–3.5 timesaswideasfronto-orbitalplate; frontaltrianglewithyellowishpruinosity, situated onupper 1/4 offrons; lunulelightbrown, withsilver-whitepruinosity; ocellarsetalong andlarge, about 1.2 timesaslongaswidthoffrons, subequalinlengthtolongest fr; inner verticalsetaabout 3.0–3.5 timesaslongasouterverticalseta; 3 pairsof fr, themiddlepair shortandsmall; orbitalseta 1; parafacialwithsilver-whitepruinosity, about 2/3–4/5 of postpedicelwidth; antennadarkblack; postpedicelabout 2.5–3.0 timesaslongasbroad (about 2.5 timesaslongaswidthofpedicel), anteriorlowermarginasarightangle; arista entirelycoveredwithshorthairs, thelongesthairsshorterthanbasaldiameterofarista; epistomanotprojecting; frontalanglesituatedinfrontofvibrissalangle; genaabout 1/4 ofeyeinheight; genalhairsandpostgenalhairsblack, genawithlightgreypruinosity, Figs 9–12. Coenosia albifronta sp. n., male: 9 = dorsal view of abdomen, 10 = sternite 5 in ventral view, 11 = posterior view of cerci, 12 = terminalia in profile Scales: 0.5 mm for Figs

10–12, 1 mm for Fig. 9.

occiputwithgreen- greypruinosity; epicephalonsparselycoveredwithhairs; premen- tumblackandshining, about 3.0 timesaslongasbroad; palpusblack-brown, subequalin lengthtoprementum; labellumabout 1.2 timesaslongaswidthofprementum; oraldisc withknife- shapedteethonposteriorpart.

Thorax: Blackingroundcolour, withgreen- greypruinosity; scutumwithorange- greypruinosity; alongtherowof acr andtherowof dc eachwithabrownvitta, median vittareachingscutoscutellarsuture; 1–2 irregularrowsof acr ashairs; dc 1+3; posthumeral seta 1+0; ial 0+2; without pra; notopleuronbare; basalscutellarsetaandapicalscutellar setalargeandlong; lateralsurfaceandventralsurfaceofscutellumbare; proepisternum andbasisternumofprosternumconcaveincenter; anepimeron, meronandkatepimeron bare; proepisternalsetae 2 (oneofthemshort); upperproepimeralseta 1 (lowerpartwitha downcurvedhair); anteriorspiracleandposteriorspiraclesmall, lightbrown; katepisternal setaeplacedasanisoscelestriangle.

Wings: Slightlyhyaline; veinsbrown; basicostadarkblack, costalspinelongand large, longerthanr-m; costareachingRorsl 4+5 ightlybeyond; R4+5 andMstraight, parallel; calypterslightyellow; lowercalyptershortandsmall, about 2/5 ofuppercalypterin length; halterelightyellow.

Legs: Femoraandtibiaewithgreen- greypruinosity, trochanters, basal 1/5 andapical 1/7 oftibiae, andapical 1/9 offemoraorange- yellow, theremainingpartsoflegsblackbrown; foretibiawith 1 median p, longandlarge, abouthalfoftibiainlength, 1 preapical d; midfemurwith 4 av inbasalhalf, aslongastibialdiameter; pv surfacewith 3–4 setaein basalhalf, 1 preapical a, longandlarge; midtibiawith 1 submedial ad, about 1/3 oftibia inlength, 1 median pd, longandlarge; hindfemurwith 1 subbasal av, 1 submedial av, 1 preapical av, sometimeswith 1 shortandsmallmedian av and 1 shortandsmallapical av, 1–2 setiform pv inbasal, supramedial pv longandlarge, about 1.2 timesaslongastibial diameter; hindtibiawith 1 preapical av, 1 median ad, about 2/5 oftibiainlength, preapical d longandlarge, 1 supramedial d, 1 supramedial pd, about 1/3 oftibiainlength, without apical pv; apicalpartoftarsinotwidened; foretarsusandmidtarsuslongerthantibiae; hindtarsusatmostequaltotibiainlength; clawslongerthanpulvilli, about 3/5 offifth tarsomereinlength.

Abdomen: Groundcolourblack; long- conicalindorsalview, curvedinprofile, dense- lycoveredwithblue- greypruinosity; tergite 3 andtergite 4 withapairofdarkbrownspots (outlineofspotsmostlyindistinct); sometimesspotsoftergite 1+2 andtergite 5 indistinct; tergites 3–5 withapairofdistalsetaeand 1–2 pairsoflateralsetae; hairsshort; epandrium projectingbackwardasahemisphere; tergite 6 andsternite 1 bare; surstylishorterthan cerci; distalpartofcercibentbackwardsinprofile, narrowinposteriorview.

Female: Bodylength 4.2–5.5 mm; frontalvittawithorange- greypruinosity; frontal trianglereachingupper 3/5 offronstoanteriormargin; fronto-orbitalplate, parafacialand genawithgreen- greypruinosity; lunulewithoutdistinctpruinosity; sometimesupperhalf offronto-orbitalplatewithorange- greypruinosity; parafacialabout 1/2–2/3 ofpostpedicel width; abdomenoviform, withoutspots; othercharactersasmale.

Etymology: Thisspeciesnamereferstothemalefrontalvittawithsilver-whiteprui-

nosity.

Diagnosis: Thisspeciesresembles Coenosiaancylocerca Xue, Wanget

Zhang, 2006, butitdiffersbytheantennadarkblack, postpedicelabout 2.5– 3.0 timesaslongasbroad, anteriorlowermarginasrightangle, aristaentirely coveredwithshorthairs, thelongesthairsshorterthanbasaldiameterofaris- ta, genaabout 1/4 ofeyeinheight, palpusblack-brown, subequalinlengthto prementum, ial 0+2, costalspinelongandlarge, costareachingRorsl 4+5 ightly beyond, lowercalyptershortandsmall, about 2/5 ofuppercalypterinlength.