Bactrocera neohumeralis (Hardy)
![](https://webarchive.library.unt.edu/eot2008/20090116111007im_/http://www.spc.int/pacifly/IMAGES/Species_photos/Bneohumeralis.jpg) |
Male B. neohumeralis
(Photograph: P. Zabrowski) |
DISTRIBUTION:
Common pest in Australia on Torres Strait islands, along the east coast of Queensland south to northeastern New South Whales,
and in isolated areas west of
Cape York Peninsula, mainland Papua New Guinea
(collected mostly in Central Province but also in small numbers in Morobe and
Western Provinces).
HOST PLANTS:
A polyphagous species in Australia. Hancock et al (2000) recorded 158 host species in
95 genera and 44 families.
In Papua New Guinea, it has only been reared from guava (Myrtaceae: Psidium guajava). The
species referred to as B. neohumeralis in PNG may, in fact, be a new
species in the tryoni complex, very similar to B. neohumeralis
but with a more restricted host range.
BIOLOGY:
Unlike Queensland fruit fly (B. tryoni), its sibling
species, B. neohumeralis mates during the day rather than at dusk.
ECONOMIC IMPORTANCE:
Important pest in Australia. Economic importance not assessed in
PNG.
MALE LURE:
Cue-lure.
QUARANTINE SURVEILLANCE:
Cue-lure
trapping and regular host fruit surveys of guava.
OPTIONS FOR RESPONSE (If newly discovered in a
country): Increased trapping, increased host fruit
sampling, restriction of fruit movement, protein bait spraying, male annihilation.
CONTROL:
Fruit bagging, protein bait spraying, destruction of fallen
and overripe fruits, early harvest of mature green fruits.
REFERENCES:
Drew,
R.A.I. 1989.The tropical fruit flies (Diptera: Tephritidae: Dacinae) of the
Australasian and Oceanian regions. Memoirs of the Queensland
Museum. Volume 26. 521 pp. (Description and illustration).
Hancock, D.L.,
Hamacek, E., Lloyd, A.C., Elson-Harris, M.M. 2000. The distribution and host
plants of fruit flies (Diptera: Tephritidae) in Australia. Queensland
Department of Primary Industries. Information Series QI99067. 75 pp.
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