Striped Cucumber Beetle
EntdeckenInsekten
Striped Cucumber Beetle
acalymma vittatum
The Striped Cucumber Beetle (Acalymma vittatum) is a prominent and widespread insect native to North America, known primarily as a major agricultural pest of cucurbit plants. While they pose a significant challenge for gardeners and farmers who grow cucumbers, squashes, and melons, these beetles are fascinating subjects of chemical ecology. They have developed a highly specialized relationship with their host plants, utilizing the plants' own chemical defenses as cues for feeding and mating.
Lebensraum: Found in agricultural fields, home vegetable gardens, and wild meadows where cucurbit plants grow.
Aussehen
This small, elongated beetle typically measures between 5 and 7 millimeters in length. It is easily recognized by its striking coloration: its wing covers (elyra) are bright yellow-to-orange and marked with three distinct, black longitudinal stripes running down its back. Its head and long antennae are dark brown or black, while its thorax matches the bright yellow of its body, and its underside is completely black.
ReichAnimaliaStammArthropodaKlasseInsectaOrdnungColeopteraFamilieChrysomelidaeGattungAcalymma
Kategorie
InsektenSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
The beetles hibernate through the winter as adults, hiding in nearby woodlands or heavy crop residue until spring.
They are actually stimulated to eat more by the bitter defenses (cucurbitacins) that plants produce to keep other pests away.
While adult beetles are highly visible above ground, their larvae live entirely in the soil, feeding on plant roots.
Besondere Fähigkeiten
Fähigkeit
Cucurbitacin Attraction
The beetle possesses highly specialized chemical receptors that allow it to detect and home in on extremely faint traces of bitter defensive chemicals produced by cucumber-family plants.
Fähigkeit
Bacterial Wilt Vectoring
It acts as a primary vector for the devastating plant pathogen Erwinia tracheiphila, harboring the bacteria in its gut and transmitting it to plants through feeding wounds.
Fähigkeit
Chemical Sequestration
Adult beetles are capable of absorbing and storing toxic compounds from their food, making themselves unpalatable to potential predators.
Maße und Details
- Länge
- 0+ cm
- Gewicht
- 0+ kg
- Lebenserwartung
- 0+ Jahre
- Gelegegröße
- 200+
- Brutzeit
- 5+ Tage
Ernährung und Fütterung
Adults feed heavily on the leaves, flowers, and fruit of cucumber family plants, while the subterranean larvae feed exclusively on the roots.
Hauptnahrung
- Cucumber leaves
- Squash blossoms
- Pumpkin stems
- Melon rind
Nahrungssuche
- Foraging
Ökologische Zusammenhänge
host plant
Cucumber
Cucumis sativus
The beetle feeds on the foliage, stems, and flowers of this host, often transmitting bacterial wilt in the process.
eaten by
Spined Soldier Bug
Podisus maculiventris
This generalist predatory bug actively hunts and feeds on both the larval and adult stages of the beetle.
parasite
Tachinid Fly
Celatoria diabroticae
A specialized parasitoid fly that lays its eggs inside adult cucumber beetles, eventually killing them.
Merkmale
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Auch bekannt als
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Sicherheit
Gefahr
1/5 · Sehr gering
Noch keine besonderen Sicherheitshinweise.
Häufig gestellte Fragen
Wie identifiziert man Striped Cucumber Beetle?
Der einfachste Weg, Striped Cucumber Beetle zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Striped Cucumber Beetle?
0+ cm
Was ist der/die/das gewicht von Striped Cucumber Beetle?
0+ kg
Was ist der/die/das lebenserwartung von Striped Cucumber Beetle?
0+ Jahre
Was frisst Striped Cucumber Beetle?
Adults feed heavily on the leaves, flowers, and fruit of cucumber family plants, while the subterranean larvae feed exclusively on the roots.
Wo findet man Striped Cucumber Beetle normalerweise?
Found in agricultural fields, home vegetable gardens, and wild meadows where cucurbit plants grow.
Wie jagt Striped Cucumber Beetle?
Foraging
Was ist der/die/das gelegegröße von Striped Cucumber Beetle?
200+
Snap-Karte
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Neueste Snaps
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