| 词条 | Systoloneura geometropis |
| 释义 |
| image = | image_width = 200px | image_caption = | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Lepidoptera | infraordo = Heteroneura | familia = Gracillariidae | genus = Systoloneura | species = S. geometropis | binomial = Systoloneura geometropis | binomial_authority = (Meyrick, 1936) | synonyms =
}}Systoloneura geometropis is a moth of the family Gracillariidae. It is known from Hong Kong, Taiwan and Japan (Honshū, Kyūshū, Satunan and Shikoku).[1] The wingspan is 4.5-6.2 mm.[2] The larvae feed on Gardenia augusta, Gardenia jasminoides and Gardenia radicans. There are four instars in larval period, the first two are of sap-feeding type with a flat head, and the last two are of tissue-feeding type with a round head and a cylindrical body as in Aristaea species. First instar larva mine the lower layer of spongy parenchymal tissues and makes a short linear mine along the vein. A short time after it broadens the mine into a blotch. In the second instar, it continues to make a blotch-mine, which finally occupies a more or less full area between two branching veins. In the third and fourth instars the larva, with tissue-feeding mouthparts, feeds on the remaining tissues within the blotch-mine. When fully grown, it leaves the mine through an exit hole to pupate. In this stage the mine is tentiformed, with a strong longitudinal wrinkle on the lower side. Pupation takes place inside a whitish, boat-shaped cocoon which is usually located on the lower surface of the leaf near the apex. At the spinning site the leaf is always folded downwardly.[3] References1. ^Global Taxonomic Database of Gracillariidae (Lepidoptera) {{Taxonbar|from=Q7663901}}{{Gracillariidae-stub}}2. ^Japanese Moths 3. ^On The Japanese Species Of The Genera Macarostola, Aristaea And Systoloneura, With Descriptions Of Three New Species (Lepidoptera: Gracillariidae) 2 : Gracillariinae|Moths of Japan |
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