Pumpkin Gall Wasp

Dryocosmus minusculus

The Pumpkin Gall Wasp is a tiny insect that makes little round bumps, called galls, on oak leaves. These galls look like small pumpkins and are home to the wasp's babies!

Lebensraum: Forests

Aussehen

The Pumpkin Gall Wasp is a tiny, dark-bodied insect, typically black or dark brown, with a shiny exoskeleton and yellowish-brown legs. It has a rounded abdomen and short antennae, differentiating it by its minute size and often obscure presence without its distinctive gall.

ReichAnimaliaStammArthropodaKlasseInsectaOrdnungHymenopteraFamilieCynipidaeGattungDryocosmus

Pumpkin Gall Wasp

Kategorie

Insekten

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

Many Pumpkin Gall Wasps are all female; males are super rare or not found at all!

Some galls can look exactly like miniature pumpkins, even turning orange when mature!

Sometimes, other insects called 'inquilines' sneak into the gall to share its shelter!

The adult wasp that makes the gall is many times smaller than the 'pumpkin' it creates.

Besondere Fähigkeiten

Pumpkin Gall Wasp can chemically induce a pumpkin-shaped gall on oak trees that provides shelter and food for its developing larva.

Pumpkin Gall Wasp has the power to inject plant hormones into oak leaves, tricking the tree into growing a safe, nutritious home.

Pumpkin Gall Wasp can reproduce without a male, allowing females to lay eggs that develop into new females by themselves.

Maße und Details

Flügelspannweite: 4-6 mm
Größe: 2-3 mm
Lebenserwartung: 7-14 Tage
Anzahl der Beine: 6

Ernährung und Fütterung

As larvae, they eat the inside of the plant gall; adults generally do not feed.

Altersunterschiede: Adults do not feed, while larvae consume the nutritious inner tissue of the plant gall they create.

Hauptnahrung

Oak leaf tissue
Oak stem tissue
Gall tissue

Ökologische Zusammenhänge

depends on

California Live Oak

Quercus agrifolia

The wasp larvae develop entirely inside galls on its leaves.

depends on

Valley Oak

Quercus lobata

Forms distinct pumpkin galls on the leaves and stems of this oak.

parasitizes

Splendid Torymid Wasp

Torymus splendidus

Lays its eggs inside the gall, and its larva eats the wasp larva.

eaten by

Mountain Chickadee

Poecile gambeli

Birds may peck open galls to eat the developing wasp larvae.

Merkmale

Einzelgänger

Einzelgänger leben den größten Teil ihres Lebens allein und interagieren mit Artgenossen nur zur Paarung oder zur Aufzucht der Jungen.

Pflanzenfressend

Dieses Merkmal kennzeichnet Lebewesen, deren Ernährung vollständig oder hauptsächlich aus pflanzlichem Material besteht.

Wald

Waldlebensräume sind terrestrische Lebensräume, die von dichtem Baumbestand dominiert werden und eine große Vielfalt an Pflanzen- und Tierarten beherbergen.