Ord. TT^. Fam. V. , Periarke. 211 



.rect. , tom. i3, p. 5o. — Genre Nemovre, Prec. des Caract 

 gener. des Insect. , p. i o i . 



Fausse-Frigane d'un hriin noirdtre , a corps alonge , a ailes 

 longues, cendrees, avec des Jieruures brunes. De Geeu. Mem. 

 a. l. Insec.t., tom. 2, p. 700, pl. 23, fig. 16. 17. 



La Perle hrune a ailes pdles. Geott. Hist, des Insect, , 

 tom. 1 , p. 2^2 ? 



Habitat in Europa3 aquosis. 



Perla cjlindrica de Geer, tom. 7 , p. Sgg, pl. 44, fig. 17, 

 18, congeneiica , praecedentis forsan varielas ; Pliryganea nebu- 

 losa LiunaBi , Semblis nebulosa Fabricii, an eadem species ? 



CCCCXXIII. Genus. Pbrla. PeHe. 



Perla , Geoff., de Geer , Onr. , Lam. — Phry- 

 ganea, Linn. — Seniblis , Fabricii. 



i[/rt6r«7ra transverso-lineare, vix exsertum. Mandihula; 

 submembranacea?, valde depressae, semi-liyalinae, elon- 

 gato-trigonae, apice ( in nonnullis saltera) emarginato, 

 sublridentato. Palpi subselacei , articnlo ultimo prae- 

 cedenti graciliore; labialium radicali sequentis magni- 

 tudine. Maxillce processlbus valde compressis , semi- 

 hjalinis, conniventibus; externo longiore , angustiore , 

 subarcualo, sublanceolalo ; interno latiore . breviore, 

 trigono. Lahium subquadratum, ad basin paulo latius, 

 antice lamellis duabus, in medio connivcntibus , rima 

 longitudinali interposita, palpos gercntibus, clypeatum; 

 margine supero lobis duobus transvcrso-ovalibus^ ma- 

 gis membranaceis, veluti spongiosis, distinctis, coronato. 

 Tarsi arliculis duobus primis ultimo multo breviori- 

 bus, secundo saltera subtus spongioso, subbifido, 



Caput \a\Ati depressum , borizontale, antice clypei- 

 formiler produclum. Thorax sculptus. Anus setis cau- 

 dalibusarticulatis, valde distinclis. 



