Southern Yellowjacket

vespula squamosa

The Southern Yellowjacket (Vespula squamosa) is a highly social wasp species known for its distinctive yellow and black markings and often aggressive defensive behavior. Unlike some solitary wasp species, Southern Yellowjackets live in large colonies, constructing elaborate paper nests, often underground or in sheltered cavities. These opportunistic insects play a dual role in their ecosystems, acting as significant predators of other insects, especially pest species, while also scavenging for sugars and proteins. Their complex social structure, with a queen, workers, and drones, allows for efficient resource exploitation and colony defense, making them a conspicuous and sometimes formidable presence in various southern and eastern North American habitats.

生息地: Found in various environments, including forests, woodlands, grasslands, agricultural areas, and particularly common in urban and suburban settings where food sources and nesting sites are abundant.

外見

The Southern Yellowjacket is characterized by its bright yellow and black striped abdomen, featuring distinctive triangular black markings on the yellow bands, particularly noticeable on the sides. The thorax is predominantly black with yellow shoulders, and the face is largely yellow with black eyes and antennae. Workers typically measure around 1.0 to 1.7 cm in length, with queens being larger, reaching up to 2.0 cm. They possess two pairs of membranous, yellowish wings that fold longitudinally when at rest.

界Animalia門Arthropoda綱Insecta目Hymenoptera科Vespidae属Vespula

Southern Yellowjacket

カテゴリ

昆虫

レア度

Common

危険度

1/5 · 非常に低い

スナップ

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おもしろい事実

Colonies can grow quite large, sometimes containing thousands of workers by late summer and fall, which is when they are most noticeable and defensive.

Southern Yellowjacket queens are polygynous, meaning multiple queens can overwinter together and initiate a colony, though often only one dominant queen survives.

Their nests are made of chewed wood fibers mixed with saliva, creating a paper-like material, and are typically subterranean or in dark, protected cavities.

Unlike bees, yellowjackets can sting multiple times because their stingers are not barbed.

特殊能力

Yellowjackets are highly adaptable foragers, capable of locating and utilizing diverse food sources, from carrion and insect prey to fallen fruit and human discarded foods. This enables their colonies to thrive in varied environments.

Southern Yellowjackets are fiercely territorial and will aggressively defend their nests, utilizing a painful, venomous sting. This collective defense mechanism is a potent deterrent against predators and perceived threats.

While often considered pests themselves, yellowjackets are effective predators of other insects, including caterpillars, flies, and other soft-bodied arthropods, helping to regulate insect populations.

サイズと詳細

長さ: 1-2 cm
翼開長: 2-3 cm
体重: 0.0001-0.0002 kg
寿命: 0-1 年
Top Speed: 15 km/h
抱卵期間: 25-35 日

食性と食事

Southern Yellowjackets have a varied diet, acting as both predators and scavengers. Adults primarily feed on sugary substances for energy, such as nectar, fruit juices, and honeydew, while also hunting protein-rich prey and scavenging for meat to feed their larvae.

年齢による違い: Adult workers primarily consume carbohydrates for energy, while they hunt and scavenge protein-rich foods (insects, meat) to feed the developing larvae, which require protein for growth.

主な食物

Nectar
Fruit juices
Honeydew
Flies
Caterpillars
Carrion

採餌方法

Predatory Hunting, Scavenging

生態系とのつながり

hunts

Striped Skunk

Mephitis mephitis

Skunks are known to dig up yellowjacket nests to eat the protein-rich larvae.

hunts

House Fly

Musca domestica

Adults hunt these insects to feed their carnivorous larvae.

mutualism

Common Milkweed

Asclepias syriaca

Yellowjackets collect nectar from various flowering plants for energy, potentially aiding in pollination.

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

Southern Yellowjacketを見分けるには？

Southern Yellowjacket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。

Southern Yellowjacketの長さは何ですか？

1-2 cm

Southern Yellowjacketの翼開長は何ですか？

2-3 cm

Southern Yellowjacketの体重は何ですか？

0.0001-0.0002 kg

Southern Yellowjacketの寿命は何ですか？

0-1 年

Southern Yellowjacketのtop Speedは何ですか？

15 km/h

Southern Yellowjacketは何を食べますか？

Southern Yellowjacketは通常どこに生息していますか？

Found in various environments, including forests, woodlands, grasslands, agricultural areas, and particularly common in urban and suburban settings where food sources and nesting sites are abundant.