Granulate Ambrosia Beetle vs New Caledonian Monarch Fly

Side-by-side species comparison

Attribute Granulate Ambrosia Beetle New Caledonian Monarch Fly
Scientific Name Xylosandrus crassiusculus Bactrocera umbrosa
Order Coleoptera Diptera
Family Curculionidae Tephritidae
Size 2-3 mm 7-10 mm
Habitat Orchards Orchards
Diet Fungus Feeders Fruit Feeders
Regions Southeastern United States, spreading northward New Caledonia, Pacific Islands
Conservation Least Concern (invasive) Not Evaluated

Granulate Ambrosia Beetle

A tiny reddish-brown ambrosia beetle that bores into a wide range of hardwood trees. It cultivates a symbiotic fungus inside its galleries as food for its larvae.

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Did You Know?

It is one of the few beetles that practices true agriculture by farming fungus gardens inside tree trunks.

New Caledonian Monarch Fly

A fruit fly found in New Caledonia and the western Pacific. It is a pest of breadfruit and jackfruit trees.

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Did You Know?

Males gather in large leks on fruit trees where they display to attract females.