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<em>Bactrocera tsuneonis</em>

Bactrocera tsuneonis

Citrus fruit fly
Previous scientific names: Dacus tsuneonis Miyake, Dacus cheni Chao

Diagnosis

Morphological – adult

Features include;

  • a large species
  • face fulvous with a pair of small to medium-sized oval black spots
  • postpronotal lobes and notopleura yellow
  • a lateral yellow band connecting postpronotal lobe and notopleuron
  • scutum red-brown
  • lateral and medial postsutural yellow vittae present
  • no yellow spot anterior to notopleural suture
  • mesopleural stripe reaching anterior npl. seta dorsally
  • scutellum yellow
  • wing with cells bc and c with a strong pale fuscous tint, microtrichia in outer corner of cell c only
  • a broad fuscous to pale fuscous costal band confluent with R4+5 at base and overlapping this vein towards apex of wing
  • anal streak reduced to pale fuscous within cell cup
  • abdominal terga III-V orange-brown to fulvous with a dark ’T’ pattern consisting of a narrow transverse dark fuscous band across anterior margin of tergum III and a narrow medial longitudinal black band over all three terga and in some specimens fuscous to dark fuscous in anterolateral corners of tergum IV.

Morphological – larvae

No information available.

Molecular

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

Oligophagous. Recorded on 9 hosts in Rutaceae, all Citrus and Fortunella species. Commercial hosts include orange, mandarin, tangerine, orange and kumquat.

Similar species

Bactrocera tsuneonis is similar to B. minax in general body shape and colour patterns but differs in having a complete joining band between the postpronotal lobes and notopleuron, possessing a.sa. setae, having a narrower costal band that is mostly confluent with R4+5 and lacking a dark apical spot on the costal band.

Pest Status

  • Exotic
  • A minor pest of citrus

Attractant/Lure

No known record.