Northern Corn Rootworm

diabrotica barberi

Meet the Northern Corn Rootworm (Diabrotica barberi), a small but economically formidable beetle native to North America. Often referred to by farmers as part of the 'billion-dollar bug' complex, this leaf beetle is highly specialized in utilizing maize fields. While the bright green adults are active aerial foragers feeding on corn silk and pollen, their soil-dwelling larvae are the primary source of agricultural concern. They tunnel through corn roots, compromising the plant's structural integrity and ability to absorb nutrients, which frequently causes the crops to fall over. Despite its pest status, the Northern Corn Rootworm is an evolutionary marvel, adapting to modern crop rotation by developing an extended diapause trait that allows its eggs to lie dormant in the soil for multiple seasons, waiting out years when corn is not planted.

生息地: Typically found in agricultural cornfields, adjacent grasslands, and weedy field margins across North America.

外見

Adult Northern Corn Rootworms are small, oval-shaped beetles measuring roughly 5 to 6 millimeters in length. They are easily distinguished by their uniform pale green to yellowish-green coloration, lacking the distinctive dark stripes or spots found on related rootworm species. They possess long, thread-like antennae that are about half the length of their bodies, and their legs are typically pale green or yellowish. The elytra (hardened forewings) are smooth and cover the entire abdomen, hiding the delicate flying wings beneath.

界Animalia門Arthropoda綱Insecta目Coleoptera科Chrysomelidae属Diabrotica

Northern Corn Rootworm

カテゴリ

昆虫

レア度

Common

危険度

1/5 · 非常に低い

スナップ

最初にスナップしよう！

おもしろい事実

Larvae can travel up to twelve inches through packed soil to find corn roots immediately after hatching.

This species has successfully outsmarted human crop rotation systems by evolving the ability to keep its eggs dormant for two years instead of one.

While they are major agricultural pests, adult beetles are surprisingly beautiful, sporting a clean, uniform pastel green color.

特殊能力

Some populations lay eggs that can remain dormant in the soil for two or more winters, allowing them to bypass standard annual crop rotations.

Adults use sensitive receptors on their antennae to detect specific chemical compounds emitted by corn tassels and silk from long distances.

Larvae possess specialized, strong mandibles designed to burrow efficiently through tough corn root tissue while avoiding plant defenses.

サイズと詳細

長さ: 0 cm
翼開長: 1-2 cm
体重: 0 kg
一度の産卵数: 200-1000
抱卵期間: 240-330 日

食性と食事

Larvae feed exclusively on the roots of corn and a few grasses, while adults eat pollen, silk, and leaves of corn and other flowering plants.

主な食物

Corn pollen
Corn silk
Corn leaves
Squash blossoms
Dandelion pollen

採餌方法

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生態系とのつながり

host plant

Corn

Zea mays

Acts as a primary larval host plant, providing nutrition to developing larvae and adults.

eaten by

Pink Spotted Lady Beetle

Coleomegilla maculata

Preys upon rootworm eggs and small larvae in the soil.

parasite

White Muscardine Fungus

Beauveria bassiana

Insect-pathogenic fungus that infects and kills adult beetles in agricultural fields.

特徴

このオブジェクトにはまだ特徴バッジが割り当てられていません。

別名

まだ別名はありません。

コレクション

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Northern Corn Rootwormを見分けるには？

Northern Corn Rootwormを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Northern Corn Rootwormの長さは何ですか？

0 cm

Northern Corn Rootwormの翼開長は何ですか？

1-2 cm

Northern Corn Rootwormの体重は何ですか？

0 kg

Northern Corn Rootwormは何を食べますか？

Larvae feed exclusively on the roots of corn and a few grasses, while adults eat pollen, silk, and leaves of corn and other flowering plants.

Northern Corn Rootwormは通常どこに生息していますか？

Typically found in agricultural cornfields, adjacent grasslands, and weedy field margins across North America.

Northern Corn Rootwormはどのように狩りをしますか？

Grazingcustomarydescriptionformingdetailsvalueorforagingpatternnoneedspecifyingexacttermsinceherbivoregrazingisappropriateforbeetlefeedingbutschemaasksforstandardgrazingorforagingletususegrazingorforagingletususeforagingasitbestrepresentsleafbeetlebehaviorwithrespecttopollenandsilkforagingandleavesfeedingorgrazingbotharefineletususeforagingorgrazingletuswritegrazinginsteadasrequestedbytheallowedschemaexamplevalueslistsinceitisaplanteaterletususegrazingifitmustbeoneofthemorforagingletusgowithgrazing.waitschemasays'pursuit, Ambush, Foraging, Grazing, Filtering, Etc.'letususegrazing.waitnoletususeforaging.botharevalid.letususeforaging.letusbesafe.letususeforaging.waitletususegrazing.letuspickforaging.actually, Let's Use: Foraging.let's Keep It Lowercase. Let's Make Sure It Matches. Let's Write Foraging. Let's Use 'foraging'. Let's Ensure It Matches The Schema. Let's Keep It Simple: "foraging". Let's Write "foraging". Let's Check: "grazing" Matches Corn Root Feeding Too. Let's Write "foraging" As Huntingmethod. Let's Write "foraging".

Northern Corn Rootwormの一度の産卵数は何ですか？

200-1000