Skip to content
Back to all
<em>Bactrocera obliqua</em>

Bactrocera obliqua

Previous scientific names: Dacus obliquus (Malloch), Dacus (Strumeta) obliquus Drew

Diagnosis

Morphological – adult

Features include;

  • a dark coloured species
  • face black
  • postpronotal lobes and notopleura yellow
  • mesopleural stripe reaching midway between anterior margin of notoplural callus and anterior npl. bristle, scutum black
  • lateral potsutural vittae short and tapering posteriorly
  • medial postsutural vitta absent
  • scutellum yellow with a broad medial longitudinal black band
  • wing with a narrow fuscous costal band and anal streak, r-m crossvein oblique and enclosed by a pale infuscation, cells bc and c colourless with microtrichia in outer corner of cell c only all abdominal terga entirely black.

Morphological – larvae

No information available.

Molecular

DNA barcoding

BOLD reference data not available.

PCR-RFLP Test 1

BsrI: Data not available

HinfI: Data not available

HhaI: Data not available

Sau3AI: Data not available

SnaBI: Data not available

SspI: Data not available

Vspl: Data not available

PCR-RFLP Test 2

Data not available.

Host Range

Polyphagous. Recorded on six hosts from three families including Myrtaceae. Edible hosts include guava and edible Syzygium (water apple, Malay apple).

Distribution

Bismarck Archipelago of Papua New Guinea; Bougainville Island.

Similar species

B. obliqua is similar to B. psidii (Froggatt) in possessing a broad black triangular marking on dorsal surface of scutellum, infuscation on crossveins and mesonotum black with medial postsutural vitta absent but differs in having a black face, r-m crossvein longer than dm-cu crossvein, lateral postsutural vittae very short and narrow ending just behind sa. setae, legs with all tibiae and apices of femora and apical 4 segments of tarsi fuscous.

Pest Status

  • Exotic
  • A minor pest of Myrtaceae (guava, Syzygium)