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Americae septentrionalis 243 



a marginibiis oninibus limbo hyalino separalur; in Diogmilue bili- 

 neali cellula posleriore quarla inacula cuneala, cum margine apicali 

 subcohacrens, in Diogmitae sijmmachi lilura oblonga a marginibus 

 omnibus limbis hyalinis aequaliler separata conspioitui ; in illius 

 cellula posleriore quinta macula niagna Iri^ona, cuni niargine alae 

 cohaerens, in hujus eadem ccllula macnla Irij^ona ab alae marginc 

 limbo hynlino scparala obscrvalur; anjiulus axillaris Diogmilue hili- 

 neali vesligium piclurac cincrcae nullum, Diogmitae symmnchi\\\ii\in\\ 

 cum maigine alae parallelam oslendil. Cellula poslcrior terlia Dio- 

 ^milae symmachi proptcr alas minus latas minus lala csl quam Dio- 

 gmitae bilineati. — (Texas; Belfrage.) 



27. Microstylum morosum. nov. sp. ,^ el $. — Alrum^ 

 alis pedibus(jue concoloribus , capite thoruceque e.tulbido-pollinosis. 

 polline tamen in dorso thoraris praeter margines rurissimo , barbd. 

 mystace, setis in posticis thoracis angidis et in coxis exulbidis. selis 

 reli^uis omnibus uigris. 



(^ abdomine toto nigro. 



2 segmenlis abdominalibus tertio, (juarlo et ffuinlo praeter lateru. 

 sexto adversus basim rufis. 



Long. corp. 17^ — 18{ lin., long. al. 13^ — 14 lin. 



Mas: Totus nigcr. subopacns, pcdibus totis alisque concoloribu». 

 Caput albido-pollinosuin, occipitis polliue piaeter orbitas rariore; 

 palpi, duo priini anteiinaiuin articuli. frons ct dimidiiim superius 

 occipitis pilis selisque nigris inslrucla; reliijui occipitis pili cl myslax 

 albidi. Thorax albido-pollinosiis, pollinc dorsi piaclcr margiucs mullo 

 rariorc; prolhorax supcrne nigroselosus, inlra cxalbidopilosiis; me- 

 solhoracis dorsum subnudum. pilis brevissimis nigris inslructum, sed 

 in angulis poslicis pubc conrcrliorc cxalbida vcsliliini; selac dorsi 

 rarac ct pro portione brcvcs, anguloruni poslicoiiim albidae. icliquac 

 nigrae. Selae marginales scutclli nigrae; sclaniin scrics. (piac anle 

 halleres conspicilur, exalbida. Abdoincn levi^siinc albido-pollino.Miin. 

 adversus basim et margines lalerales pollinc inodicc confcrliorc ad- 

 spersum; pili abdominis perbreves nigri, adversus lalera abdomini'* 

 albidi; lalera segmcnli primi sctis nigris cl pallidis armala. rcliipinm 

 abdomen selis dcslilulum; llypopygiuin nigiuiii cl nigro- |iilnMiin 

 Coxae albido-pollinosae el albido-pilosac. Pcdcs brcvissimc iiigro 

 pilosi, fcmoribus tamen poslicis ferc lotis intcrmediisque magn;'i cx 

 parte albido-pilosis; setae pediiin pro portionc brcves, nigiae. Pnl 

 villi fiisco-nigri. Ilallcros diliilc liilcsccntcs. Alao totac nctiiialiler 



is- 



