探検昆虫

American Pelecinid Wasp

pelecinus polyturator

The American Pelecinid Wasp is an intriguing insect easily recognized by the remarkably long, slender abdomen of the female. This glossy black parasitoid wasp plays a vital ecological role by regulating populations of soil-dwelling scarab beetle larvae, particularly June beetles. While their dramatic silhouette might look intimidating, they are entirely harmless to humans and do not possess a true stinger. Instead, their elongated bodies are a marvel of evolutionary engineering designed for reaching deep underground. In North American populations, males are exceptionally rare, meaning that females typically reproduce through parthenogenesis, producing clones of themselves. Encountering one of these elegant, slow-flying wasps in a garden or forest clearing is a memorable highlight for any nature enthusiast.

生息地: Found in deciduous forests, woodlands, parks, and suburban gardens where decaying organic matter and host beetle larvae are plentiful.

外見

This wasp is characterized by a shiny, jet-black, highly polished exoskeleton. The female is distinguished by her extraordinarily long, segmented, thread-like abdomen, which is up to five times longer than the head and thorax combined and curves slightly downward. She has translucent wings with distinct dark venation, long antennae, and a total body length reaching up to 7 centimeters. Males, which are rarely seen, are much smaller (around 2.5 centimeters) and possess a shorter, club-shaped abdomen.

AnimaliaArthropodaInsectaHymenopteraPelecinidaePelecinus
American Pelecinid Wasp
American Pelecinid Wasp

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

Despite their intimidating appearance, these wasps are entirely harmless to humans and do not possess the ability to sting.

Males of this species are so rare in North America that some entomologists spend their entire careers without ever seeing one in the wild.

The female's extremely long abdomen is not a stinger; it is used solely as a flexible tube to lay eggs on underground grubs.

特殊能力

能力

Subterranean Probe

The female uses her highly flexible, elongated abdomen to probe deep into loose soil and leaf litter to locate host beetle grubs.

能力

Parthenogenetic Breeding

Females can reproduce through thelytokous parthenogenesis, allowing them to produce viable female offspring without needing to mate.

能力

Precision Oviposition

The wasp uses sensory organs at the tip of her abdomen to detect and deposit a single egg directly onto a buried June beetle grub.

サイズと詳細

長さ
5+ cm
翼開長
3+ cm
体重
0.0001+ kg
Top Speed
12 km/h
一度の産卵数
30+
抱卵期間
1+ 日

食性と食事

Adult wasps feed exclusively on nectar and plant juices, while the subterranean larvae are parasitoids that consume June beetle grubs.

年齢による違い: Larvae are carnivorous parasitoids feeding on live beetle grubs, whereas adults transition to a purely nectar-based diet.

主な食物

  • Flower nectar
  • Plant sap
  • June beetle grubs

採餌方法

  • Foraging

生態系とのつながり

parasite

Forest June Beetle

Phyllophaga anxia

The female wasp paralyzes and lays an egg on the larva of this beetle, which serves as food for the wasp larva.

host plant

Canada Goldenrod

Solidago canadensis

Adult wasps feed on the nectar of this plant during the late summer nesting season.

特徴

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別名

まだ別名はありません。

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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

American Pelecinid Waspを見分けるには?

American Pelecinid Wasp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。

American Pelecinid Waspの長さは何ですか?

5+ cm

American Pelecinid Waspの翼開長は何ですか?

3+ cm

American Pelecinid Waspの体重は何ですか?

0.0001+ kg

American Pelecinid Waspのtop Speedは何ですか?

12 km/h

American Pelecinid Waspは何を食べますか?

Adult wasps feed exclusively on nectar and plant juices, while the subterranean larvae are parasitoids that consume June beetle grubs.

American Pelecinid Waspは通常どこに生息していますか?

Found in deciduous forests, woodlands, parks, and suburban gardens where decaying organic matter and host beetle larvae are plentiful.

American Pelecinid Waspはどのように狩りをしますか?

Foraging

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