探検昆虫

Neolasioptera Triadenii

neolasioptera triadenii

Neolasioptera triadenii is a highly specialized species of gall midge within the family Cecidomyiidae. This minuscule insect is celebrated for its intricate, co-evolutionary relationship with Marsh St. John's-wort (Triadenum species). Female midges deposit their eggs inside the plant's stems, and the subsequent hatching larvae secrete biochemicals that mimic plant growth hormones. This manipulation forces the host plant to grow a distinctive, swollen protective structure called a stem gall. Within this customized organic nursery, the larvae feed safely on nutrient-rich tissue, shielded from predators and harsh weather. While the adult midges are tiny, delicate, and rarely observed due to their brief life cycles of only a few days, their presence is easily documented by identifying these characteristic stem galls. This species plays a fascinating role in wetland ecosystems, demonstrating the complexity of plant-insect interactions and serving as a localized indicator of healthy wetland plant communities.

生息地: Found in wet meadows, freshwater marshes, bogs, and damp lakeside margins where its host plant, Marsh St. John's-wort, thrives.

外見

Adult Neolasioptera triadenii are incredibly minute flies, measuring just 1.5 to 2.5 millimeters in length with a delicate, dusky-gray to blackish body, clear wings with reduced venation, and long, bead-like antennae. Because of their tiny size, they are most reliably identified in the wild by their larval galls. These galls appear as distinct, spindle-shaped (fusiform) swellings on the stems of Marsh St. John's-wort. The galls are typically green to reddish-brown, blending with the host plant's natural coloring but noticeably disrupting its straight, cylindrical stem shape.

AnimaliaArthropodaInsectaDipteraCecidomyiidaeNeolasioptera
Neolasioptera Triadenii
Neolasioptera Triadenii

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

Citizen scientists can easily spot and record these midges in the dead of winter, as the dried, swollen stem galls remain highly visible sticking up out of the snow.

Even though adult midges die within days of emerging, the larval stage spends nearly a full year safely overwintering inside the dead, dry stems of the host plant.

The gall induced by this midge acts like a modified, extra-somatic organ of the host plant, actively drawing nutrients from the rest of the plant to feed the invader.

特殊能力

能力

Chemical Gall Induction

Larvae secrete specialized compounds that hijack the host plant's cellular development, forcing it to grow a protective, food-rich swelling.

能力

Microclimate Shielding

The woody walls of the induced stem gall protect the developing larvae from extreme temperatures, desiccation, and heavy rain.

能力

Host-Plant Targeting

Adult females possess highly sensitive chemical receptors that allow them to locate and oviposit exclusively on specific Triadenum wetland plants.

サイズと詳細

長さ
0+ cm
翼開長
0+ cm
体重
0+ kg
寿命
1+ 年
Top Speed
2 km/h
一度の産卵数
20+
抱卵期間
5+ 日

食性と食事

Larvae feed internally on the specialized, nutrient-rich plant tissues generated by their host plant inside the stem gall, while adults generally do not feed.

主な食物

  • Marsh St. John's-wort stem tissue
  • Plant sap

採餌方法

  • Grazing

生態系とのつながり

host plant

Marsh St. John's-wort

Triadenum virginicum

Provides the essential physical structure and nutrition required for the larval stage of the midge.

parasite

Platygaster Parasitoid Wasp

Platygaster

Parasitoid wasps target the larvae inside the galls, laying eggs inside them to consume them from within.

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。

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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

Neolasioptera Triadeniiを見分けるには?

Neolasioptera Triadenii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。

Neolasioptera Triadeniiの長さは何ですか?

0+ cm

Neolasioptera Triadeniiの翼開長は何ですか?

0+ cm

Neolasioptera Triadeniiの体重は何ですか?

0+ kg

Neolasioptera Triadeniiの寿命は何ですか?

1+ 年

Neolasioptera Triadeniiのtop Speedは何ですか?

2 km/h

Neolasioptera Triadeniiは何を食べますか?

Larvae feed internally on the specialized, nutrient-rich plant tissues generated by their host plant inside the stem gall, while adults generally do not feed.

Neolasioptera Triadeniiは通常どこに生息していますか?

Found in wet meadows, freshwater marshes, bogs, and damp lakeside margins where its host plant, Marsh St. John's-wort, thrives.

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