104

Mr. R. M'Laclilan’s Monograph of the

(if the hairs be removed these wings are pale brown); neurationindistinct. Posterior wings subhyaline, dark smoky-grey, withpaler fringes. Legs oehreous, the tarsi very faintly annulatedwith brownish. Abdomen fuscous, with pale lateral lines. Thelobe from tbe middle of the upper margin of the last abdominalsegment in the male triangular, entire, the apex much produced ;app. sup. large, broadly triangular, fringed with long yellowishhairs ; app. inf. small, with the curved tips (or small apical joint ?)directed downwards, and with a short, cylindrical, obtuse toothat the base on the ventral surface ; there are also two fine curvedneedle-shaped sheaths, and what appear to be broad boat-shapedupper and lower penis-covers. The apex of the abdomen in thefemale is obtuse, without prominent appendices.

Expanse of fore-wings 11—13 lines.

This species was found commonly by Mr. Wormald in August,1862, at the Ruislip Reservoir, Middlesex; and I have also re-ceived it in some numbers from the Fen District. It is not con-tained in the collections of Curtis or Stephens. L. annulicornisof the latter author is distinct ; the description under that namein Ei,t. Ann. 1860, p. 70, pertains to L.fulvus.

In the “ Synopsis synonymica” Dr. Hagen makes Phryganeaochraln, Zett. (Ins. Lapp. col. 1072, 49), synonymous with L.fulvus, without however giving the former name the right of pri-ority. This cannot be correct, since P. ochrata is said to be ofthe same size as P. (Mystacides ) 4 -fasciata, or not much more thanhalf the size of L. fulvus. What P. ochrata really is, I do notknow; possibly Tricenades bicolor (p. Ill) or Sctodes reducla

(p. 120).

4. Leplocerus bimaculalus , Stephens. (PI. XII. fig. 13, app.)

Leptocerus bimaculalus, Steph. (*) Ill. j>. 197, 11 (1836), notof Linn.; Hag. (*) Ent. Ann. 1860, p. 79, 59; L. albogut-tatus, Hag. (*)Stett. Zeit. 1858, p. 122 ; Myslacida albima-cula, Ramb. Hist. Nat. Nevrop. p. 509, 2 (1842) ?

Antennae brown, annulated with white to the apex. Head andpalpi brown, clothed with grey hairs. Mesothorax brown, darkestat the sides. Anterior wings brown, with a large whitish oroehreous spot at the arculus, most distinct in the female; fringesgreyish-brown ; neuration indistinct. Posterior wings greyish,subhyaline ; fringes grey, except at the apical portion o( the costalmargin, where they are white. Legs grey, the tips of the tarsaljoints and the anterior tibiae brown. Abdomen greyish-brown(greenish when alive), with white lateral lines. In the male there