Question:

Queensland department of Agriculture, Fisheries and Forestry recommended _______ as bio-control agent for lantana (Lantana camera) weed.

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The host-specific name of the insect agromyzid fly (Ophiomyia lantanae) directly indicates its targeted relationship with the host weed (Lantana camara).
  • Ophiomyia lantanae
  • Bacillus lantanae
  • Rhizobium spp.
  • Helicoverpa armigera
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The Correct Option is A

Solution and Explanation



Step 1: Understanding the Concept:

Biological control involves using natural enemies (such as insects or pathogens) to suppress and manage invasive weed populations.

Step 2: Detailed Explanation:

- Lantana camara is an invasive weed of global concern that degrades forest ecosystems and pastures.
- The lantana seed fly, {Ophiomyia lantanae, is a tiny agromyzid fly native to tropical America.
- This fly was introduced as a biocontrol agent because its larvae bore into and feed on lantana berries, destroying the seeds and reducing the plant's ability to spread.
- Rhizobium is a nitrogen-fixing bacterium, and Helicoverpa armigera is an agricultural crop pest.

Step 3: Final Answer:

The recommended biological control agent is Ophiomyia lantanae.
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