1896 140. Notiphi/a. 



tt. Vibrissae ulrinqiie 3 1. 4 plcrumque 5. (Secl. 

 Hydrellia Slenh.). 



S2. N. fitsca: obscure fusco-cinerascens, subopaca, 

 fronle fusco-nigricanle, macula supra anlennas alba 1. 

 pallida; epistomale leviler obluse carinalo, argenleo aul* 

 pallide flavo; vibrissis ulrinque 5; anlennis nigiis; alis 

 cinereo-hyalinis, segmenlo coslae 2:do lerlium paullulum 

 superanle; pedibus lolis nigris. J$. (Long. vix 1 lin.). 



Mas: abdomen siibcylindriciim, segmenfo 5to 4:lo fere diiplo >\ 

 longiore, 6:to inflexo, hasi convexiuscula jirominulo, ajtpendice 

 brevi, bifida, ferruginea; 



Fetn. : abdomen suliovatum, sepnentis 5 &(^ 4 a>que longis, 6:to 

 annulato, evidenter prominulo. 



Slenh. Monogr. 225. 24. <f$. 



Hab. in Succia media, Oslrogolhia; in foliis nalanli- 

 i)us Nympheae & Polygoni amphibii in lacu Sorbyhol- 

 mensi paroeciae Haradshammar sal copiose invenla a D. 

 Slefihammar, qui eliam speciminibus ulriusque sexus me 

 donavit. 



d"9. ^. concolori 18, &J pilitarsi 21, sat similis, jiaullo obscu- 

 rior. Frons nigricans, lineis lateralilms obscurioribus. Anten- 

 nae breves, nigr^e, seta 7-radiata. Macula sujira antennas eiii- 

 stomati concolor. Eiiislonia subangustatum, inferne modice 

 dilatalum, subdescendens, in medio longitudinaliler leviter ob- 

 tuse carinatum, totum argenteum (aut iii specimine misso ma- 

 sculo flavidum). Palpi flavi. Oculi mediocres, ovales. Gens 

 Ixreviusciila;. Thorax dorso fusco-nigricans, siiiira totus jiarce 

 setosus. PleHrae cinerascentes. Abdomen nigricans, vix sne- 

 scens, subnilens, jiubescens. Alarum segmentiim costse 2:dum 

 3:tio nonniliil, sed non dimidio longius, ila iit si ralionem 

 mensuree exaclius delerminarem, seginenUnn 2:dum 3:lio ses- 

 quitertia (1-j) 1. sesquioclava (1|) longiliidine vix superare di- 



