Key to the Japanese subfamilies and genera of Lyonetiidae1 1.
10an eyecap ; 1st segment of flagellum slightly long, and in male with a deep notch. Posterior tibiae clothed with long hairs above and short hairs below.Abdomen unspined ; an eversible sac with a flower-like patch of specialized scales in suture between 2nd and 3rd abdominal segments on dorsal side.Forewings lanceolate and shortly caudate ; vein lb simple; discoidal cell elongated; 2 and 5 very short, and from near apex of cell, 2 sometimes obsezlescent or absent ; 3 and 4 absent; 6 and 7 stalked ; 9 and 10 very short; 11 from before middle of discoidal cell. Hindwings 2/3; narrow-lanceolate, cilia 3-A; transverse vein absent between 2 and 5; 3 and 4 absent ; 6 and 7 stalked.Male genitalia: IJncus absent; socii developed to form 2 setose lobes ; valvae tapered or rounded, sometimes bilobed, basal angles of costae usually produceVj as free arms; saccus sometimes semicircular ; aedoeagus rather elongate, more or less cylindrical.Female genitalia : Ovipositor modified for rasping or piercing in some American species ; apophyses anteriores absent; genital plate often densely set with scales; near juncture with ductus, corpus bursae with a Signum, consisting of spined ribs.The larvae when very young (1st and 2nd instar) are miners, forming short tortuous or spiral mines. At the end of 2nd instar, the larva quits the mine, and on the surface of the leaf spins a cocoon-shaped web (cocoonet, Stainton, 1862: 6), within which the larva remains motionless in a IJ-shape for a considerable time. After the 2nd molt, the larva proceeds to eat the epidermis of one side and some mesophyll. When full-fed, it leaves the feedling place, and spins an elongate ribbed cocoon. In N. America, the larvae of some speLEes are known as gall-makers and stem borers.
Key to the species of BuccuZat~-ix based on markingForewing with ochreous-orange patches ; apical cilia with a fuscous median line.
Each.of fifty-one conjugated dienes (alcohols, acetates and aldehydes) with a C,2 , C '4 or C '6 straight chain was applied to a rubber cap in a sticky-type trap as a single-component lure. Some diene compounds were mixed with their functional derivatives or structurally related monoenes to make two-component lures. In field trials conducted from 1984 to 1986, the new attraction of male moths of nineteen species was observed. These species were classified into nine families as folloW!: Gracillariidae, Yponomeutidae, Oecophoridae, Cosmopterigidae, Tortricidae (Olethreutinae and Tortricinae), Pyralidae, Pterophoridae, Drepanidae and Geometridae. This result indicates that the conjugated dienes are one of the main groups of lepidopterous sex pheromones. Some interesting information concerned with the taxonomy of the attracted moths and with the characteristics of the chemical structures of their attractants was obtained.
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