Byturidae
Encyclopedia
Byturidae, also known as Fruitworms is a family of beetle
Beetle
Coleoptera is an order of insects commonly called beetles. The word "coleoptera" is from the Greek , koleos, "sheath"; and , pteron, "wing", thus "sheathed wing". Coleoptera contains more species than any other order, constituting almost 25% of all known life-forms...

s, in the suborder Polyphaga
Polyphaga
Polyphaga is the largest and most diverse suborder of beetles; the name is derived from two two Greek words: poly-, meaning 'many', and phagein, meaning 'to eat', so the suborder is called the “eaters of many things”...

. The larvae
Larva
A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle...

 develop in fruits. Byturus unicolor affects species of Rubus
Rubus
Rubus is a large genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae. Raspberries, blackberries, and dewberries are common, widely distributed members of the genus. Most of these plants have woody stems with prickles like roses; spines, bristles, and gland-tipped hairs are...

and Geum
Geum
Geum , commonly called avens, is a genus of about 50 species of perennial herbaceous plants in the rose family Rosaceae, native to Europe, Asia, North and South America, Africa and New Zealand...

, the larvae of Raspberry beetle
Raspberry beetle
The Raspberry beetle is a pest that is widespread in north-central Europe. It affects raspberry, blackberry and loganberry plants. It lays eggs on the flowers which hatch into pale brown larvae. They feed on the developing fruit, and the fruit will appear smaller and shriveled...

 raspberry
Raspberry
The raspberry or hindberry is the edible fruit of a multitude of plant species in the genus Rubus, most of which are in the subgenus Idaeobatus; the name also applies to these plants themselves...

 plants.

There are two subfamilies: Platydascillinae and  Byturinae. The distribution of Byturinae is holarctic
Holarctic
The Holarctic ecozone refers to the habitats found throughout the northern continents of the world as a whole. This region is divided into the Palearctic, consisting of Northern Africa and all of Eurasia, with the exception of Southeast Asia and the Indian subcontinent, and the Nearctic,...

. Species of Platydascillinae are found in southeast Asia.
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