Macrocheraia grandis  (Gray,1832)

Order: Hemiptera - Superfamily: Lygaeoidea - Family: Lygaeidae - Genus: Macrocheraia

• Common names: Giant red bug
• Thai names: มวนท้องยาว
• Distribution: Southeast Asia, parts of South Asia
• Image locations: Sri Lanna National Park Chiang Mai
• Hosts: Euphorbiaceae & Malvaceae​
• Additional notes: 

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Images of Macrocheraia grandis from Thailand

Macrocheraia grandis (Gray, 1832) female & male, Sri Lanna N.P. Chiang Mai, February 2017

Macrocheraia grandis (Gray, 1832) male, Sri Lanna N.P. Chiang Mai, February 2017

Macrocheraia grandis (Gray, 1832) male, Sri Lanna N.P. Chiang Mai, February 2017

Macrocheraia grandis (Gray, 1832) females, Sri Lanna N.P. Chiang Mai, February 2017

Macrocheraia grandis (Gray, 1832) Sri Lanna N.P. Chiang Mai, February 2017

Macrocheraia grandis (Gray, 1832) late instar, Sri Lanna N.P. Chiang Mai, February 2017

Macrocheraia grandis (Gray, 1832) instar, Sri Lanna N.P. Chiang Mai, February 2017

Macrocheraia grandis (Gray, 1832) instar, Sri Lanna N.P. Chiang Mai, February 2017

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References: 
​iNaturalist 
Thai Biodiversity