91 



1. Phengodes Hoffm. Det enda slaglet med obetackt huf- 

 vud. i art P. plwnosa Hokfm. 



2. Polydasis Newm.: antennae ll-articulatae, breviter bi- 

 pectinatae, palpi maxillares art. ultimo securiformi, tarsi ar- 

 ticuio quarto vix lobalo, ungues integri. 1 art, P. bifaria 

 [Lampyris id Say, Pol. ovata Newm.) 



3. Lucernula Lap. {Lychnuris Dej.): antennae 11-articu- 

 latae, dilatatae, con)pressoe; palpi max. art. ultimo magno, 

 securiformi; tarsi art. quarto longe lobato; ungues simplices; 

 abdomen apice phosphoreum, art. ultimo superiore apice emar- 

 ginato. Hanarne hafva langre och bredare antenner. 3 arter, 

 L. atra Fabr. {Lamp, laticornis Fabr., Lychn. morio Melsd.) 

 och 2 nya arter. 



4. Ellychnia Dej.: antennae compressae, 11-articulatae; 

 palpi maxill. art. ult. triangular!, apice acuto; tarsi art. 

 quarto longe lobato, ungues simplices; abdomen segmentis 

 nullis phosphoreis, ultimo superiore apice truncato, non 

 emarginato. 6 arter, hvilka bilda tvenne afdelningar: a. cor- 

 pus elongatum. E. nigricans Say [ohscura? Fabr,), decipiens 

 Harr. och minuta n. sp. b. corpus ellipticum. E. corrusca Linn. 

 [fenestralis Melsh.), autumnalis Melsh. och lacustris. 



5. Photinus Lap.: antennae compressae, 11-articulatae; 

 palpi max. art. ult. triangular!, tarsi art. quarto longe lobato; 

 ungues simplices, abdomen articulis tribus phosphoreis, ultimo 

 superiore apice truncato, interiore emarginato, segmentuio 

 anal! in utroque sexu acuto. 10 arter, P. pyralis Linn. 

 [centrata Say, rosata Germ.), ardens n. sp., casta, scintillans 

 Say, marginella, punctulata, consanguinea, obscurella, lineella och 

 vittigera. 



6. Pyractomena Dej.: antennae 11-articulatae, tenues, 

 sub-compressae, art. ult. versus apicem sinuato, palp! max. 

 art. ult. triangular!, apice acuto, tarsi art. quarto longe lo- 

 bato, ungues simplices; abdomen art. tribus subtus phos- 

 phoreis, ultimo superiore apice emarginato. 5 arter, hvilka 

 aro fordelade under tvenne grupper: a. elytra late marginata. 

 P. flavocincta n. sp., angulata Say [lucifera Melsh.) b. elytra mi- 

 nus late marginata. P. angustata, linearis och borealis Randall. 



7. Phausis: Antennce 12-articulatae, serratoe, compressae, 

 art. 1 et 2 parvis, ult. subulate, minutissimo vix conspicuo; 

 palpi minuti; tarsi art. quarto brevi, bilobalo, unguiculari 

 longo, ungues simplices; abdomen art. tribus phosphoreis, 

 segmento ult. superiore emarginato. P. reticulata Say. 



