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HONEYBEE PARASITE THREATENS GLOBAL POLLINATORS

Tropilaelaps mercedesae, a new parasitic mite originating in Asia, is posing a significant global threat to honeybees. Originating in Asia, it feeds on bee pupae, reproduces rapidly, and transmits lethal viruses, causing colony collapse. Current treatments are ineffective, and managing both mites simultaneously presents a major challenge.

Description

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Picture Courtesy:  DOWNTOEARTH

Context

The Tropilaelaps mercedesae mite, a deadly parasite of honeybees, is emerging as a global threat

What are Honeybees and Their Significance?

Definition and Types: Honeybees (genus Apis) are social insects known for producing honey and pollinating plants. 

  • Key species include the western honeybee (Apis mellifera), widely used in commercial beekeeping, and the giant honeybee (Apis dorsata), native to South and Southeast Asia.  

Ecological and Economic Value: Contribute to the pollination of approximately 75% of food crops. Without bees, nearly 30% of food crops and 90% of wild plant species would face serious threats. (Source: PIB)

IUCN Status: The Apis mellifera is not listed on the IUCN Red List due to its widespread managed populations, but wild populations face threats, classified as Data Deficient.

Tropilaelaps Mercedesae: Honeybee Parasite

It is a parasitic mite, originally hosted by Apis dorsata in South and Southeast Asia, has spread to Apis mellifera, the primary species for global beekeeping.

Spread Mechanism: Global trade in bees and hive products facilitates westward spread. Detected in Ukraine, Georgia, southern Russia, and suspected in Iran and Turkey, with risks to Australia and North America.

It reproduces faster, feeds on bee pupae, transmits lethal viruses like deformed wing virus (DWV), and causes faster colony collapse.

Source: DOWNTOEARTH

PRACTICE QUESTION

Q. The spread of the Tropilaelaps mercedesae mite from South and Southeast Asia to Europe and other regions is an example of a/an:

A) Ecological restoration

B) Biological invasion

C) In-situ conservation

D) Ecological succession

Answer: B

Explanation: The Tropilaelaps mercedesae mite, originally found in South and Southeast Asia, has spread to Europe and other regions. This spread is a classic example of an invasive species establishing itself in new territories

 

Frequently Asked Questions (FAQs)

It is a parasitic mite that feeds on honeybee pupae and is deadlier than the Varroa mite.

It originated in South and Southeast Asia, with its natural host being the giant honeybee, Apis dorsata.

Honeybees are vital pollinators for a vast number of crops, crucial for food security and ecosystem balance. 

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