摘要
本文记述采自我国江西省吉安县的象虫科昆虫一新种萧氏松茎象Ｈｙｌｏｂｉｔｅｌｕｓｘｉａｏｉ，该种昆虫严重为害湿地松（ＰｉｎｕｓｅｌｌｉｏｔｔｉｉＥｎｇｅｌｍ）。模式标本保存于中国科学院动物研究所。
ylobitelus xiaoi sp .nov (Fig -1-13)Body dull black;apices of tibiae ,tarsi and antennae dark brown Pronotum withsparse ochreous setiform scales ,which being a little denser behind the anterior marginand before scutellum .Elytra with setiform scales forming two rows of patches;patches of front raw on second and tenth intervals at 1/3 from base ,patches offront raw on fourth and sixth intervals a little before and behind the above patches;patches of hind row on second,sixth and eighth intervals approximately at 1/4 fromapex ,the patch of hind row on fourth interval a little before the others ,the hind rowpatches sometimes forming an ill -defined sinuate band ;the other area of elytra withsparse scales of the similar shape.Legs and underside of the body with yellowishwhite setiform scales.Male :Head with small dense punctures .Forehead between eyes 2/3 the widthof the base of rostrum, with a small median fovea .Rostrum slightly shorter than pronotum (9: 1 0), gradually narrowing from base to middle and widening anteriorly from the scrobe: dorsum with rather rugose punctures, which longitudinally confluen. forming two weak carinae on each side, without median carina: apical area bare and with longitudinally dense wrinkled punctures. Antennae with second segment of funicle3/4 times as long as the first and 1.5 times as long as the third,the third a litle longer than the fourth, fourth to sixth segments of funicle moniliform, the seventh a little wider than long and as long as the third; club compact, three segmented, each length about the same (fig. -2). Pronotum as long as wide, rounded laterally , widest at the middle, slightly constricted near apex: disc with large longitudinal confluent punctures, which smaller and denser at apex, the interstices convex and glassy, median carina convex and short Scutellum evident,with dense setiferous yellowish white scales (fig. -3). Elytra 1 .5- 1 .6 times as long as wide, almost parallel-sided from base to middle, and gradually narrowing to apex. Striae with regular large pu
出处
《林业科学》
EI
CAS
CSCD
北大核心
1997年第6期541-545,共5页
Scientia Silvae Sinicae
关键词
象虫科
新种
萧氏松茎象
湿地松
Curculionidae, New species, Hylobitelus xiaoi, Pinus elliotti Engelm.
