SERICOSTOMID^. 87 



Brachycentrus raaculatus var. ? 



Bracbycentrus sul)nubilus, Curt. Phil. Mag. iv. 215. Steph. III. 

 Brit. Ent. Maud. vi. 182, 1. 



a. EDffland. 



3. Brachycentrus concolor. 



Ater ; tibia tarsique ochraceo-fusea ; ahe fuftcescentes, immacidata:, 

 vejiis piceis. Long. 2^ ; alar. 8 lin. 



Biachycenlrus concolor, Steph. III. Brit. Ent. Mand. vi. 182, 2. 



England. 



4. Brachycentrus costalis. 



Atcr ; femora fusca ; tibice tarsique fusco-ochracea ; alee fmces- 

 centes, immaculatce, casta stif/mateqite fuscis, venis piceis. 

 Long. 2^ ; alar. 8 lin. 



Brachycentrus costalis, Steph. III. Brit. Ent. Mand. vi. 182, 3. 



England. 



5. Brachycentrus albicans. 



Nigro-fuscus ; capite et thorace albo-hirsutis ; antennis albidis ; 

 tibiis tarsisque albido-teslaceis ; alis fmcn-testaceis, pube densa 

 albido-Jlava depressa tectis, fimbriis albidis. 



Phrygranea albicans, Zett. Ins. Lapp. 1071, 46. 

 Hydronautia albicans, Kol. Gen. et Sp. Trich. 93, 2. 



North Europe. 



(j. Brachycentrus crepuscularis. 



Niger, luten-hirlm ; antennis, abdominis segmentis apice, pedibus- 

 que tcstaceis ; alec cinerew, anticce testaceo-pubescentes. 

 Phryganea crepuscularis, Harnstim, MSS. 



Black, clothed with liiteous hairs : antennae testaceous, with an 

 indistinct ring of a darker colour on each joint, black towards the 

 tips : al)donien testaceous along tlie hind border of each sej^Muent 

 and at the tip : legs testaceous : wings gray ; fore-wings thickly co- 

 vered with testaceous down ; veins tawny. Length of the body 2.^ 

 lines ; of the wings 8 lines. 



I -2 



