Rice Stink Bug
探検昆虫
Rice Stink Bug
oebalus pugnax
The Rice Stink Bug (Oebalus pugnax) is a slender, straw-colored true bug widely known as a notable agricultural pest in the Americas. Primarily associated with rice fields and wild grasses, this insect plays a significant role in agricultural ecosystems. Although often feared by farmers due to the cosmetic and structural damage it causes to maturing grain heads, it is a fascinating subject for nature enthusiasts who appreciate the intricate world of true bugs. Equipped with specialized piercing-sucking mouthparts, the Rice Stink Bug feeds on the developing seeds of grasses, extracting vital nutrients. While it can be a nuisance for crop yields, its survival strategies, including the production of defensive chemical compounds and its distinct structural adaptations, highlight the impressive evolutionary success of the Pentatomidae family.
生息地: Found in warm, agricultural regions, primarily in and around cultivated rice fields, wet meadows, and areas with tall wild grasses.
外見
This insect is easily recognized by its narrow, elongated, shield-shaped body, which typically measures between 1.0 and 1.2 centimeters in length. Its coloration ranges from a light straw-yellow to a pale tan, allowing it to blend seamlessly with dry grasses and agricultural crops. A key distinguishing feature is the presence of two sharp, forward-pointing spines on the lateral shoulders of its pronotum. Additionally, its wings fold flat over its back, displaying a distinct dark pattern near the rear of the abdomen, while its long, slender antennae extend forward to help it navigate.
界Animalia門Arthropoda綱Insecta目Hemiptera科Pentatomidae属Oebalus
カテゴリ
昆虫レア度
Common
危険度
1/5 · 非常に低い
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おもしろい事実
The Rice Stink Bug leaves distinct dark spots on rice grains known as 'pecky rice', which lowers the grain's quality and market value.
Their eggs are uniquely barrel-shaped and are laid in neat, double-row chains on the leaves of grass host plants.
To survive cold winters, adult bugs undergo diapause, seeking shelter under leaf litter, bark, or bunchgrasses until spring warm-up.
特殊能力
能力
Chemical Deterrent
When threatened, it releases a pungent, foul-smelling liquid from thoracic glands to deter predators like birds and spiders.
能力
Piercing Straw Feed
Equipped with a specialized rostrum, it can pierce tough plant tissues and hulls to suck out liquefied starch from developing grains.
能力
Spined Defense
The sharp, forward-pointing humeral spines on its shoulders make it more difficult and painful for small predators to swallow.
サイズと詳細
- 長さ
- 1-2 cm
- 寿命
- 最大 1 年
- 一度の産卵数
- 10-50
- 抱卵期間
- 4-8 日
食性と食事
Feeds almost exclusively on the seeds, grains, and floral parts of grasses, particularly rice during its milky and dough development stages.
年齢による違い: Nymphs and adults feed on the same host plants, but younger nymphs prefer tender, easily pierced plant tissues.
主な食物
- Rice grains
- Johnsongrass seeds
- Barnyardgrass seeds
- Wheat grains
採餌方法
- Grazing
生態系とのつながり
parasite
Parasitic Wasp
Telenomus podisi
A tiny parasitic wasp that attacks and develops inside the eggs of the rice stink bug, acting as a natural biological control.
host plant
Rice
Oryza sativa
The primary cultivated food source for both nymphs and adults, providing the starch and nutrients needed for their development.
eaten by
Pink Spotted Lady Beetle
Coleomegilla maculata
Preys upon the eggs and early-stage nymphs of the rice stink bug 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
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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
Rice Stink Bugを見分けるには？
Rice Stink Bug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。
Rice Stink Bugの長さは何ですか？
1-2 cm
Rice Stink Bugの寿命は何ですか？
最大 1 年
Rice Stink Bugは何を食べますか？
Feeds almost exclusively on the seeds, grains, and floral parts of grasses, particularly rice during its milky and dough development stages.
Rice Stink Bugは通常どこに生息していますか？
Found in warm, agricultural regions, primarily in and around cultivated rice fields, wet meadows, and areas with tall wild grasses.
Rice Stink Bugはどのように狩りをしますか？
Grazing
Rice Stink Bugの一度の産卵数は何ですか？
10-50
Rice Stink Bugの抱卵期間は何ですか？
4-8 日
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