298 - British lepidoptErA. 



schmett. Brandbg.," p. 307 (1886). Ignobiliella, H.-Sch., " Sys. Bearb.," pi. 104, 

 tig. 816 (1853). Turicensis, Frey, "Die Tineen," etc., p. 391 (1856); "Linn. 

 Ent.," xi., p. 413 (1857). Tityrella, Wood, " Ent. Mo. Mag.," xxix., p. 273 (1893) ; 

 Ibid., xxx., p. 49 (1894). 



Original description. — Turicella ( — ends), Frey. Ignobiliella, 

 SppL, 816. Binde zu breifc, zuwenig schrag, Farbe der Wurzelhalfte 

 nicht gelb genug, die Wurzelhalfte der Franzen zu scharf abgesch- 

 nitfcen. Etwas kleiner, resp. mit kiirzeren Fliigeln als N. huebnerella, 

 das Gelb des Kopfes matter, die Augendeckel nicht so glanzend weiss, 

 daher beide nicht so von einander abstechend. Die Vorderfliigel an 

 der Wurzelhalfte bleich messinggelb, desshalb das weisse Band nicht 

 so deutlich, es scheint mehr gegen den Afterwinkel gerichtet. Die 

 Fliigelspitze erzfarbig olivenbraun, ohne Violett, die Franzen urn die 

 Spitze herum ihrer Lange nach weisslich. Aus Braunschweig als 

 N. argentipedella und X. hemargyrella von H. v. Heinemann ; aus der 

 Schweizvon H. Prof. Frey (Herrich-Schaffer, Systematise-he Bearbeitung 

 der Schmett. von Europa, v., p. 355). 



[Heinemann supplements this description, from bred individuals, 

 as follows : " The frontal tuft pale ochreous, the cervical tuft whitish ; 

 the small eyecaps and antenna? whitish ; the latter in $ nearly two- 

 thirds length of fore-wings, in 5 nearly one-half. Abdomen and 

 hind-legs blackish-grey, middle legs and tarsi whitish ; anterior legs 

 pale grey. Anterior wings olivaceous inclining to grey, sometimes 

 nearly olive-black, not 'brownish-yellow,' as Frey says, nor 'pale 

 brassy-yellow,' as Herrich-Schaffer writes ; the surface finely scaled, 

 not polished, and not very shiny ; the fascia not broad, rather oblique, 

 and perceptibly beyond the middle, its posterior edge somewhat 

 concave, so that on the margins it appears broader, especially on inner 

 margin ; its colour whitish with a dull silky gloss, bordered towards 

 base by a dark-brown stripe having a faint violet gloss ; the entire 

 tip of fore- wing, and base of cilia of the same colour. Cilia darker grey 

 in middle, paler grey at tips ; the posterior wings and their cilia grey."] 



Imago. — Head ochreous. Anterior wings 5-6 mm. ; yellowish- 

 fuscous at the base ; a whitish somewhat oblique fascia beyond the 

 middle, edged internally with dark fuscous ; apex dark fuscous, tinged 

 with violet ; cilia greyish-white, with paler tips. Posterior wings and 

 cilia pale grey. 



Egg-laying. — The egg of this species is laid on the underside of 

 a beech-leaf, among the tufts of hair that grow in the angles of the 

 midrib, and affords an excellent example of the precision that some 

 species display in the choice of a position for the egg (Wood). 



Mine. — The mine of N. turicella is, as a rule, smaller than that of 

 X. basalella ; that of the former is a vermiform gallery, usually con- 

 fined to the space between two adjacent ribs of a leaf, and that of the 

 latter a more or less straight gallery, which pays little regard to 

 boundaries, yet, occasionally, one will adopt the pattern of the other. 

 The absence of the coiled frass in the middle part of the mine of X. 

 turicella always forms a good point of separation from that of X. 

 basalella, in the middle part of which the frass is coiled (Wood). 

 Heinemann, however, says : " The mine of X. turicella is like that of 

 X. tityrella (basalella), but long, and its tortuosities are not so close 

 to one another," whilst Sorhagen states that " the mine is long, 

 irregularly curved, longer than that of X. tityrella, and less twisted," 

 probably following Heinemann. 



