160 



media subapqualia, qiiinlo maris paruni longiore, 

 sexto iiiflcxo siibtriangulari acuto quiiiluni aequante. 

 — Antennaiuin articulus secuudus seta breviore 

 apiculatus, tertius apice loUiiidatus, stdjorbicula- 

 ris. Seta ladiata, ladiis basalibus longioribus. 



Epistoina liiiea tenni impressa ab oibitis disjtin- 

 ctum. Carina media in parte cpistoniatis snperiore te- 

 nuis acutiiiscnla, apice cum protnbcrantia transversa 

 confluens. Supremum par vibrissaruni in protiiberantia 

 silum. Pars episfomatis inferioi- liiculenter convexo- 

 incLirvata. Abtloiuen oblongo-eliipticum 1. ovatum, apice 

 recUim. A\x ellipticse, abdomine longiores. Nervi ala- 

 ruin transvt-rsi subappropinquati , anterior apici nervi 

 anxiliaris oppnsitns, posterioi' ordinarius a margine in- 

 toriore renjotior, in medio feie aloe sitiis. 



a) abdomine ob/ongo. 



1. Ps. cinerella Bohem. 2. Ps. glaucella Sundev. 



3. Ps. obscarella Fall. 4. Ps. fnscella. 



5. Ps. ghibriciila Fall. (Ps. pallukda in obs.) 



b) abdomine ovato. 



6. Ps. ni grin a Meig. 7. Ps. longida Wahlb. 



Species hujus scctionis, quotquot sibi cognitas habuit 

 beat. Fallen, inter Notiphilas et quidem cum Hydrelliis 

 proxime consociatas recensuit. Ita etiara celeb. Meigen 

 omnes hujus cohortis cives, Psilopis insuper propriis ad- 

 mixtis, sub Notiphila, deinde vero (in supplem. Zweifl. 

 Ins. VII) post Macquartum, sub HydrelHa comprchendit. 

 Sed sane Clasiopae non parum ab Hydrelliis divergunt ab- 

 doniinis forma 1. elongata angustiore 1. ovata subdepressa , 

 proecipue autem epistomate superne foveolato-sulcato in 

 medio transversim protuberante, antennis brevioribus, ver- 

 tice convexo, setis verticis in series transversas postice 

 positis, vibrissis rigidis remotis, thoracis antico pubescente 

 nec setigero, segmento maris sexto baud appendiculato. E 

 contrario epistomate ad typum Psiloparum propriarum for- 

 mato, vertice convexo, antennarum articuHs basalibus bre- 

 vibus, primo fronti fere immerso, secundo setula apiculato, 



ad 



