Uritish Species of the Genus Stenophylax, 235 



of hieroglyphicus and Fibex in Stephens's collection differ in no 

 respect, and the insects otherwise are identical in appearance. 



S. striatus, Pict. (PI. IX. fig. 3.) 



Phryganea striata, Pict. Recherch. p. 132, 1, pl. 6, fig. 1 ; 

 Limnephilus Fibex, Curt. Coll. (partim) ; Stenophylax striatus, 

 Hagen, Ent. Ann. 1859, p. 92, 32. 



In form similar to the two preceding species, in size somewhat 

 smaller. Antennae and head pale ochreous ; thorax darker at the 

 sides ; abdomen dull ochreous ; the whole of the underside pale 

 ochreous ; legs pale ochreous, with black spines ; anterior wings 

 very pale greyish yellow, thickly sprinkled with pale yellow spots, 

 which are usually confluent and sometimes cause the darker 

 ground to show only as irrorations, anterior and posterior margins 

 narrowly pale yellow without spots, veins darker ; posterior wings 

 sub-hyaline, slightly yellowish towards the apex. 



Upper margin of last abdominal segment overlapping and nearly 

 concealing the superior appendages, rounded and produced in the 

 middle into a long tongue-shaped prolongation, which hangs down 

 and is bent under the last segment, and is tliickly set with short 

 black setae : appendices superiores hidden under the projecting 

 terminal segment, spoon-shaped, rounded and fringed with long 

 hairs on the margin; appendices inferiores broad, very obtusely 

 rounded off and fringed with long hairs; upper sheaths approxi- 

 mating at the tips (in most other species they are divergent) ; 

 lower pair almost parallel ; penis considerably exserted (this 

 occurs in all the specimens that 1 have seen, otherwise I should 

 have been disposed to consider it more as a condition of an indi- 

 vidual, than as characteristic of the species). 



Long, Corp. 5 — 7 lin. ; exp. alar. 14 — 18 lin. 



I have seen very few specimens, and the only locality that I 

 know for certain to produce it is Leominster, where it has been 

 taken by Mr, Newman, in September. This was one of the 

 species bred by M, Pictet. 



In the Entomologist's Annual (1859, p. 92, 32) and Entomo- 

 logische Zeitung (1859, p. 133, 2), Dr. Hagen considers it pro- 

 bable that an insect, which in Curtis's collection bears the MS. 

 name of tenebrosus, may belong here ; to me it appears to pertain 

 to the next species. As mentioned before, there is a specimen of 

 striatus in his collection under L. Fibex. 



Pictet gives a long list of references to the authors who are 

 supposed to have described this species, extending back to the 

 time of Aldrovand^ or upwards of two hundred years since. To 



