Hawaiian Picture-wing Fly (Grimshawi) vs Deathwatch Beetle

Side-by-side species comparison

Attribute Hawaiian Picture-wing Fly (Grimshawi) Deathwatch Beetle
Scientific Name Drosophila grimshawi Xestobium rufovillosum
Order Diptera Coleoptera
Family Drosophilidae Ptinidae
Size 4-6 mm 5-9 mm
Habitat Mountains Woodlands
Diet Wood Feeders Wood Feeders
Regions Oceania (Hawaii - Maui, Hawaii Island) Europe
Conservation Endangered Least Concern

Hawaiian Picture-wing Fly (Grimshawi)

One of the iconic Hawaiian picture-wing Drosophila, distinguished by elaborate dark patterning on its wings. It breeds in decaying bark of native Hawaiian trees. The Hawaiian Drosophila radiation is one of the most famous examples of adaptive radiation in biology.

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Did You Know?

The Hawaiian picture-wing flies perform elaborate courtship dances, with males displaying their ornate wing patterns to females in ritualized mating displays.

Deathwatch Beetle

A small, mottled brown wood-boring beetle that creates a distinctive tapping sound by banging its head against tunnel walls. Larvae can take years to develop in old timber.

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Did You Know?

Its eerie tapping in quiet rooms at night was historically associated with impending death, giving the beetle its macabre common name.