Litchi gray butterfly

 

English name:

 

Chinese alias:

 

Latin epijarbas Moore. Deudorix scientific name

 

Distribution area:

 

Morphological characteristics: adult male worm 12 millimeter, wing exhibition snakeholes 26 mm, slightly larger female insect. Before long feelers sticks shape, 2/3, front wing back for brown and black, end pink. Ventrally sections of base white. FuYan dark brown. Frontal zone and lower lip must be white. Female insect wings, just before and after the drab edge fin gray. The former wing front and rim about distance wing base 3/4 place for brown and black, the rest are for red. Both wings base and the edge after for brown and black, the rest is red. After a hip Angle wings in black belt axon, end white; Inside a circular turkestan, under a black point, central around the yellow, yellow outer ring for dark brown. Abdominal back red, ventrally white to hoar. Ovoid, bottom face, top central emarginated, horizontal diameter o. 8 millimeter, longitudinal diameter 0.55 mm, the surface has polygonal lines. At the end of the larvae, age 16 mm larva length, all flaxen flat cylindrical, rear color is strong, chest and abdomen after 1, 2, 6 sections of the back to black. Abdominal 7, 8, 9 section boundary is not apparent, 8, 9 section with body longitudinal axis back into 45 degrees tilt. Pupa short, long cylindrical 13 mm, back with brown striation galleries, be have yellowish-brown undercoat. Ventrally light yellow. Head a list of kemp, the head and chest junction produces a violet black lines, since the back sides oblique ahead.

 

Pestcide crops: litchi and longan

 

Young bug eat by moth against harm symptoms: litchi and longan prophase and medium-term fruit from fruit, shoulders or decayed into central core, food harm.

 

Classification properties:

 

Prevalence: three generations a year occurs in fuzhou, the first generation larvae, occurred from harm litchi fruit late may and early June, the 2nd, 3rd generation larvae turn against longan fruit, in June and July enterprise medium-term longan fruit. The young age of moth early leave very small, orifice hole a little rain worm dung, worm dung into paste, after dark brown, adhesion in orifice features below. Larvae slightly grew up, orifice worm dung without bending, so decayed into the hole can be clearly seen. 1 head larvae can decayed against 2, 3 fruit. But the fruit grow up to fruit mask when in full, do not harm stone. Larvae feed at ordinary times in the fruit in stone, often in cavities wormhole resisted brachial ministry, it is not easily found, night turn out fruit harm. Murder fruit often don't fall off. Old familiar skin crack in the trunk larva sinochem pupa.

 

Pop dynamic:

 

Prevention and treatment: can consult with long brown prevention method for prevention and cure of leaf moth.

 

Main natural enemies: