Cottony Cushion Scale
ExplorarInsectos
Cottony Cushion Scale
icerya purchasi
The Cottony Cushion Scale (Icerya purchasi) is a notorious scale insect originally native to Australia, but now found globally. It is famous for its devastating historical impact on citrus orchards, which ultimately led to one of the most successful biological control triumphs in entomological history. These tiny sap-sucking insects form dense colonies on the branches, twigs, and leaves of their host plants, draining vital nutrients and secreting sticky honeydew.
Hábitat: Found in warm-temperate and tropical regions, typically on citrus trees, ornamental shrubs, and woody plants in agricultural areas and gardens.
Aspecto
The adult female Cottony Cushion Scale is easily identified by her distinctive white, elongated, and deeply fluted egg sac, which is made of a waxy substance and can reach up to 1.5 centimeters in length. The insect's actual body is relatively small, reddish-brown, and nestled at one end of this prominent, cottony sac. Immature nymphs, or crawlers, are bright red with dark legs and antennae, lacking the massive white waxy coating of the adults.
ReinoAnimaliaFiloArthropodaClaseInsectaOrdenHemipteraFamiliaMonophlebidaeGéneroIcerya
Categoría
InsectosRareza
Common
Peligro
1/5 · Muy bajo
Snaps
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Datos interesantes
Almost all individuals are hermaphrodites that fertilize their own eggs, while pure males are extremely rare and develop from unfertilized eggs.
Ants will actively farm and protect these scales from predators in exchange for the sugary honeydew they secrete.
The large white 'cushion' on the insect's rear is not its body, but an empty wax sac designed solely to shelter up to 1,000 eggs.
This species was the target of the world's first highly successful classical biological control program in 1888, saving the California citrus industry from collapse.
Habilidades especiales
Habilidad
Waxy Armor Construction
It secretes a dense, ribbed, white waxy ovisac that protects its eggs from both predators and environmental dehydration.
Habilidad
Hermaphroditic Reproduction
Most individuals are self-fertilizing hermaphrodites, allowing a single scale insect to rapidly colonize a new host plant without needing a mate.
Habilidad
Honeydew Secretion
It excretes excess plant sugars as sticky honeydew, which attracts protective ants and fosters the growth of sooty mold.
Medidas y detalles
- Longitud
- 1+ cm
- Peso
- 0.00001+ kg
- Esperanza de vida
- 0+ años
- Tamaño de la puesta
- 500+
- Incubación
- 10+ días
Dieta y alimentación
Feeds on the nutrient-rich phloem sap of various woody host plants, particularly citrus and acacias.
Diferencias por edad: Crawlers seek out thin leaf veins, whereas mature females settle permanently on larger twigs and branches.
Alimentos principales
- Citrus sap
- Acacia sap
- Pittosporum sap
- Rose sap
Método de búsqueda
- Grazing
Conexiones ecológicas
eaten by
Vedalia Beetle
Rodolia cardinalis
The Vedalia beetle is a famous predator introduced globally to control cottony cushion scale populations.
parasite
Parasitoid Fly
Cryptochaetum iceryae
A tiny parasitic fly whose larvae develop inside the scale insect, acting as an effective natural control agent.
host plant
Sweet Orange
Citrus sinensis
The primary host plant where the scale insect feeds on phloem sap, often causing leaf drop and branch dieback.
Rasgos
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También conocido como
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Seguridad
Peligro
1/5 · Muy bajo
Todavía no hay notas especiales de seguridad.
Preguntas frecuentes
¿Cómo identificar a Cottony Cushion Scale?
La forma más fácil de identificar a Cottony Cushion Scale es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Cottony Cushion Scale?
1+ cm
¿Cuál es el peso de Cottony Cushion Scale?
0.00001+ kg
¿Cuál es el esperanza de vida de Cottony Cushion Scale?
0+ años
¿Qué come Cottony Cushion Scale?
Feeds on the nutrient-rich phloem sap of various woody host plants, particularly citrus and acacias.
¿Dónde se encuentra normalmente Cottony Cushion Scale?
Found in warm-temperate and tropical regions, typically on citrus trees, ornamental shrubs, and woody plants in agricultural areas and gardens.
¿Cómo caza Cottony Cushion Scale?
Grazing
¿Cuál es el tamaño de la puesta de Cottony Cushion Scale?
500+
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