PORPHYROPS. 211 



1. pallidus, Fin. dol. 21. 29 (1823); Ztt. Ferrugineus, antennis 

 brevissimis concoloribus, capite albido, pedibus pallide flavis, tarsis apice 

 fuscis, alls hyalinis, vena prabrachiali leviter flexa ; Mas. angustior, 

 hypostomate angusto, ano crasso atro nitido, appendicibus tribus, qua- 

 rum duabus interioribus subdentiformibus, ultima magna rotundata 

 tumida ; Fcem. hypostomate nonnihil latiore, ano simplici. Long. 3 ; 

 alar. 5^ lin. 



Ferruginous. Face and front whitish. Middle of the metathorax and 

 the mesosternum dusky. Hypopygium of the male black, preceded by a 

 dusky band of the fourth segment. Legs long, pale yellow ; tarsi dusky 

 towards the tip ; femora unarmed; posterior tibia finely spiny ', posterior 

 metatarsi more slightly so beneath. 



Eare. In Mr. Dale's collection (E.) 



2. suturalis, Fin. dol. 21. 32 (1823); Mg. ; Ztt. Capite thora- 

 ceque cinereis, antennis brevissimis, scutello abdomineque flavis, incisuris 

 angustis fuscis, pedibus pallidis, alis subhyalinis basi angustissimis, 

 vena pr&brachiali quarta parum subarcuata in summo apice excurrente, 

 cubitalique parallelis, transversa pone medium alae sita ; Mas. hyposto- 

 mate angustissimo argenteo, ani clava deflexa nigra, alis subpetiolatis, 

 tarsis vix infuscatis ; Fcem. hypostomate latiore cano, ano simplici flavo, 

 alis basi minus angustatis, tarsis apice fuscis. Long. 2^ ; alar. 4 lin. 



Head cinereous. Face white. Antennae yellow. Thorax cinereous -, 

 scutellum yellow. TTings darker at the fore edge, narrowed at the base, 

 almost petiolated in the male, the subapical and cubital veins nearly 

 parallel. Abdomen yellow, with dusky incisures forming narrow trans- 

 verse lines, more distinct in the female. Hypopygium of the male 

 black. Legs pale yellow ; tarsi dusky towards the tip, more distinctly 

 so in the female. 



Eare. In Mr. Dale's collection. (E.) 



3. Erichsonii, Ztt. d. s. 613. 100 (1843). quadrifasciatus^.^ln. 

 Ferrugineus, antennis brevissimis concoloribus, capite albido, incisuris ab- 

 dominis nigricantibus, pedibus pallide flavis, alis hyalinis, vena prcebra- 

 chiali leviter flexa in apice excurrente, ibique cum cubitali paululum con- 

 vergente, transversa in medio alae sita. Long. 2^ ; alar. 4 lin. 



Ferruginous. Face and front whitish. Eyes of the male meeting 

 below the antennae. Metathorax with only a dusky line down the 

 middle. Wings hyaline. Abdomen with blackish-brown incisures, which 

 are broader in the female. Hypopygium of the male black. Legs pale 

 yellow ; fore tarsi in the male short, with the metatarsus longer than 

 the other joints together. 



Eare. In Messrs. Curtis's and Clifton's collections ? (E.) 



4. quadrifasciatus, Fb. sp. 1. ii. 448. 69 (1781) ; Gm. Mg. ; 

 Mq. ; Fin. p. ; Ztt. -fasciatus, Dml. Capite cinereo, antennis brevissi- 

 mis, scutello abdomineque flavis, hoc fasciis quatuor nigricantibus, 

 pedibus pallide flavis, tarsorum articulis tertio et quarto apicalibus 



