Short-horned outer spotted leg locust xenocatantops brachycerus c. willemse, genus Orthoptera, spotted locust family.
【Host】Citrus and banana fruit trees.
[Harmful] It has been reported that it is only harmful to the fruit, but in mountain orchards, it can also harm the leaves and young fruits of sweet orange spring shoots. The leaves of the incense leaves are bitten into missing moments, and the young fruits are bitten into scars, which are seriously damaged and cause the fruit to fall off.
【Morphological characteristics】Adult insect body dark brown, reddish brown or yellowish brown; female insect body length 24~27mm, male body length 18~21.5mm; head and thorax dense round small tumor process; face uplift, medium longitudinal groove is obvious; the front thorax dorsal plate midson ridge is obvious, there are 3 transverse grooves, and cut the mid-ridge line, the posterior transverse groove in the middle of the dorsal plate, hindhorax on both sides of each side of a long white oblique marking; the forewings are developed, dark brown, more than the tip of the hind leg segment, the transverse vein at the end of the wing is oblique; the hindwings are transparent, the wings are smoky brown; the hind legs are developed. There are 2 intact white oblique spots on the outside, and 1 small spot on the proximal end; the posterior tibial segment is reddish-brown. Good at bouncing.
【Life habits】One generation a year occurs, and the time of occurrence varies from place to place. Eggs overwinter in the soil of the mountains, grassy slopes or orchards. Adults begin to appear in mid-March of the following year and are still visible until September.
【Control method】(1) Artificially catch adult insects before 9:00 a.m. every day. (2) During the nymph incubation period, it can be sprayed with 50% malathion emulsion or 40% chlorpyrifos emulsion 1000 times liquid.