Molecular Biology and Genetics

Molecular Biology

Barcode data: Bactrocera tryoni

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 3 barcode sequences available from BOLD and GenBank.

Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

CGACAATGGCTATTCTCAACAAATCATAAAGATATTGGAACTTTATATTTTATCTTCGGAGCCTGAGCAGGTATAGTCGGAACATCCCTTAGAATTTTAGTCCGAGCTGAACTAGGACATCCCGGAGCATTAATCGGAGAC---GATCAGATTTATAATGTAATTGTAACAGCCCATGCTTTCGTAATGATTTTCTTTATAGTTATACCAATTATAATTGGTGGTTTCGGAAACTGGCTTGTTCCTTTAATATTAGGTGCACCCGATATAGCATTCCCACGAATAAATAATATAAGATTTTGGTTACTACCCCCTTCCCTTACACTACTATTAGTGAGAAGTATAGTAGAAAACGGAGCTGGTACAGGTTGAACAGTTTACCCACCCCTATCGTCTGTTATTGCACACGGAGGGGCTTCAGTTGATTTAGCTATTTTCTCACTTCACTTAGCTGGTATCTCATCGATTTTAGGAGCAGTAAATTTCATTACAACAGTTATTAATATACGATCTACAGGAATTTCGTTTGACCGAATACCTCTTTTCGTTTGAGCAGTTGTATTAACAGCCCTGTTACTTTTACTATCATTGCCAGTTTTAGCAGGAGCTATTACTATATTATTAACAGATCGAAACTTAAATACCTCCTTTTTTGACCCTGCTGGGGGAGGAGATCCTATTCTTTACCAACACTTATTTTGATTCTTTGGACATCCANNNNNTTATATTTTATTTCTTCCAGGATTCGGAATAATTTCTCATATTATTAGTCAAGAGTCAGGAAAAAAGGAAACATTTGGATCTCTAGGAATAATTTATGCTATGATAGCAATTGGCTTATTAGGATTTATTGTATGAGCTCACCATATATTCACAGTAGGTATAGATGTAGACACTCGTG
-- end --

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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Bactrocera tryoni

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 15
Specimens with Barcodes: 23
Species With Barcodes: 1
Creative Commons Attribution 3.0 (CC BY 3.0)

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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Bactrocera tryoni

The Queensland fruit fly (Bactrocera tryoni) is a species of tephritid fruit fly native to Australia.

Adult flies are about 5 to 8mm in length in adult stage. Their larvae hatch in various fruit species, causing significant damage to crops.[1]

The fly has been the subject of extensive control regimes including a Fruit Fly Exclusion Zone where it is forbidden to take fruit, and post-harvest dipping of fruit in dimethoate and fenthion. As of October 2011, the use of these chemicals was under review by the Australian Pesticides and Veterinary Medicines Authority (APVMA), with dimethoate suspended from use.[2] In May 2012, January 2013 and February 2015 the fly was found in Auckland, posing a risk to horticulture and leading to a quarantine.[3]

Life History[edit]

Unlike several of the other most important fruit fly pests, B. tryoni does not breed continuously but passes the winter in the adult stage. The total life cycle requires two to three weeks in summer and up to two months in autumn. Adult females live many months, and four or five overlapping generations may develop annually. Adult females, after passing through a two-week pre-oviposition stage following emergence from the pupae, deposit eggs in groups, up to seven eggs per group, in fruit punctures. Females often oviposit in punctures made by other fruit flies such as those of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann), with the result that many eggs often occur in a single cavity. As many as 40 larvae have been found in one peach, and as many as 67 adults have been reared from one apple. Eggs hatch in two to three days under favorable weather conditions. The ensuing larval development may be completed in as little as five days. Pupation normally occurs in the soil. Pupal development requires from a week in summer to a month or more in cooler weather. Adults may live a year or more. Adults feed primarily upon juices of host plants, nectar, and honeydew secreted by various kinds of insects

The white locus[edit]

A gene for white eye found in Drosophila is found to have homologs in this as well as numerous other Diptera.[4]

References[edit]

  1. ^ Tri-state fruit fly program website
  2. ^ Chemical review: dimethoate on APVMA website
  3. ^ Chapman, Kate; Robinson, Victoria. "Fly breach blamed on relaxed security". stuff.co.nz. Fairfax Media. Retrieved 13 May 2012. 
  4. ^ Gomulski, L. M., Pitts, R. J., Costa, S., Saccone, G., Torti, C., Polito, L. C., Gasperi, G., Malacrida, A. R., Kafatos, F. C., Zwiebel, L. J. Genomic Organization and Characterization of the white Locus of the Mediterranean Fruitfly, Ceratitis capitata Genetics 2001 157: 1245-1255 Full text

Further reading[edit]

  • Courtice, A. C. (2006). Of Peaches and Maggots, The Story of Queensland Fruit Fly. Published by Hillside Books.
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