Risk of Small Hive Beetle _SHB_ Importation of Honey Bees into the by bestt571


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									Importation of Honey Bees into the NT                                   Risk of Small Hive Beetle (SHB)

Small Hive Beetle                                                  Movements of Small Hive Beetle
The Minister for Primary Industry, Fisheries and
                                                                   SHB can be spread by hive movements, beekeeper
Resources responded to concerns from beekeepers and
                                                                   movements, used equipment, on fruit, in soil and by the
melon growers regarding the risk of introduction of small
                                                                   bees themselves. SHB can fly up to 15 kilometres in
hive beetle which is present in all other states. A joint
                                                                   search of bee colonies.
government and industry working group has been
established to undertake a risk assessment and cost
benefit analysis of future bee imports into the Northern           Fruit Risks
Territory.                                                         SHB can travel, feed and complete its life cycle on a
                                                                   wide range of fruit although longevity and fecundity are
A representative from the Northern Territory Beekeepers            markedly reduced. However, there is no evidence to date
Association, Northern Territory Horticultural Association          that indicates SHB do feed on or damage marketable
and the Northern Territory Agricultural Association will be        fruit ready for harvesting.
part of the working group. There is also plant and
biosecurity government members with a steering
committee and a project team. The working group will               Can native bees be affected
collate information on honey bee diseases and SHB in               There has been no evidence to date to indicate that SHB
other states of Australia and report to the Chief Executive        will affect native bees. Studies have shown SHB has no
Officer of the Department of Resources (DoR)                       attraction to Austroplebia or Trigona species.

                                                                   Restrictions in Western Australia
Basic ecology
                                                                   The Department of Agriculture and Food Western
Small Hive Beetle (SHB) adults are 5-7 mm long, dark               Australia has informed Northern Territory that SHB has
brown in colour and live up to 6 months. Females lay               been contained in the Kununurra region and draft
eggs in hive crevices and in brood comb. In 2-6 days               legislation (Agriculture and Related Resources Protection
larvae hatch and after 14 days larvae have completed               (Small Hive Beetle) Regulations 2009) is about to be
growth. Mature larva head towards hive entrance and soil           proclaimed that will restrict live bees from leaving the
to being pupation. Pupation usually lasts 3-4 weeks and            Kimberley region (SHB Infested area). This area includes
one week later after emergence, adult beetles will                 the Shires of Broome; Derby-West Kimberley; Wyndham-
disperse to actively seek out bee colonies.                        East Kimberley; and Halls Creek). SHB has been
                                                                   eradicated from the other areas of the State which
                                                                   continues to be surveyed and monitored with nil
General description                                                detection since January 2008.
SHB is attracted to bee colonies, stored honey combs,
honey and pollen. Under ideal environmental conditions
of warm temperatures, high humidity and preferably
sandy soils, SHB is capable of very rapid growth. A new
generation can be produced every 5-12 weeks. SHB will              Pupae – Small Hive Beetle
feed on comb, honey, bee larvae, SHB larvae, fruit and
pollen. SHB can live up to 50 days on empty brood
combs and up to 14 days without food or water.

                                                                   Adult - Small Hive Beetle        Larvae - Small Hive Beetle

                           FOR MORE INFORMATION CONTACT: Vicki Simlesa, Apiary Officer, DoR
     GPO Box 3000, Darwin NT 0801 Ph: (08) 8999 2036 Fax: (08) 8999 2146 Mobile: 0401 115 853 E-mail: vicki.simlesa@nt.gov.au

DEPARTMENT OF RESOURCES                                                                                       www.nt.gov.au/dor

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