You can help expand this article with text translated from the corresponding article in German. (January 2021) Click [show] for important translation instructions.
Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
Consider adding a topic to this template: there are already 2,051 articles in the main category, and specifying|topic= will aid in categorization.
Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Mompha langiella]]; see its history for attribution.
You may also add the template {{Translated|de|Mompha langiella}} to the talk page.
The wingspan is 10–11 millimetres (0.39–0.43 in).
The head is dark brown and shows a slight purple sheen. The frons is white. The antennae are dark brown in the first third, grey and dark brown ringed in the middle third and grey in the last third. The thorax and forewings are brownish black and have a purple sheen. An irregular white spot is located outside the centre of the wings, sometimes some white scales are also present at 1/3 of the forewings length on the fold. The costa is sparsely speckled with white scales in the outer half of the wings and at the apex. The hind wings are grey-brown. The abdomen is brownish black. The tuft is grey in males and white in females.
In males, the uncus is slender and has a rounded tip. The cucullus is slender, subapical the widest and has a blunt apex. The sacculus is longer than the cucullus and tapers into a sharp, slightly curved tip. The gnathos is wide and only slightly sclerotized. The anellus lobes are small and rounded. The aedeagus is slender and has a fairly large cornutus. This is wide at the base and slim and curved at the apex.
In females, the ostium is very wide and cup-shaped. The posterior third of the bursae duct is wide, weakly sclerotized and provided with two short strongly sclerotized edges. The front part tapers and is provided with large sclerites. The seminal duct starts at about 1/3 of the length of the bursae duct. The corpus bursae is oval and tapers slightly to the rear. It has two large crescent-shaped signa. [2]
^J. C. Koster, S. Yu. Sinev: Momphidae, Batrachedridae, Stathmopodidae, Agonoxenidae, Cosmopterigidae, Chrysopeleiidae. In: P. Huemer, O. Karsholt, L. Lyneborg (Hrsg.): Microlepidoptera of Europe. 1. Auflage. Band 5. Apollo Books, Stenstrup 2003, ISBN 87-88757-66-8, S. 42
