NEW RECORD OF THE AMBROSIA BEETLE, TREPTOPLATYPUS MICRURUS SCHEDL. ATTACK ON SONOKEMBANG (PTEROCARPUS INDICUS WILLD.) IN BATU, INDONESIA
ABSTRACT: Sonokembang
(Pterocarpus indicus Willd.) is commonly planted as an ornamental tree in Batu
city, East Java. In 2012 and 2013, there were some dying trees of sonokembang
along the road of Batu city, and there were some indications that the signs and
symptoms might be related to the ambrosia beetle samples from Batu. To clarify
the precise condition, identification of beetle samples was needed in this
research. Based on survey and sample
collections conducted in Batu from the early July 2013 to the end of March
2014, characteristic of damage on trees was observed together with the presence
of beetle collected. Identification was based on morphological characters such
as posterior elytral declivities and body size of male, and mycangia on
female`s pronotum. Based on the morphological characters, there were some
special characters which described such as 1) the body size of female adult was
bigger than male adult, 2) elytral declivities on male adult was unique, and 3)
there was mycangia on pronotum of female adults. Morphological char-acters
showed that the ambrosia beetle attacked on sonokembang belonged to
Treptoplatypus mi-crurus Schedl. This ambrosia beetle species seems to be the
responsible agent that caused dying trees of sonokembang.
Author: Hagus Tarno, Hasan
Suprapto, Toto Himawan
Journal Code: jppertaniangg150033
