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Debuxo de Woodlouse spider
N.º 0728 de 1 402

Woodlouse spider

Dysdera crocata
Sobre o nome: Its common names come from its main prey, woodlice, which are also called sowbugs, pillbugs and slaters.1
InofensivoInofensivo para as persoas. Non hai nada de que preocuparse.
Arañas MordeCome: Carne
Perigo para as persoas: LeveComa unha picadura de abella ou menos. Practicamente inofensivo para as persoas.

The woodlouse spider is a small spider that hunts woodlice, the small grey creatures that curl up when touched. It lives in warm places under logs, stones and plant pots, and it is now found on almost every continent except Antarctica. It is a skilled hunter with large fangs, but it is not known to be a health risk to people.1

Vive en
Originally from the Mediterranean; now found from Eurasia to parts of North and South America, South Africa, Australia and New Zealand1
Europa
Inicio
It is usually found under logs, rocks, bricks, plant pots and in leaf litter in warm places, often close to woodlice. It has also been found inside houses. During the day it rests in a silk retreat in crevices, usually in partly rotten wood, or in tent-like shelters in the hollows of large rocks.1
Lonxitude
9 mm a 1,5 cm (0,4 in a 0,6 in)1
Velocidade máxima
uns 0,86 km/h (0,53 mph)
En terra, estimación aproximada
Que come?
It mainly eats woodlice. It uses its large fangs to get past the tough outer shell and injects venom into the soft underside, avoiding the woodlouse's unpleasant defensive chemicals. It also eats silverfish, earwigs, millipedes, burying beetles, crickets and other spiders and centipedes.1
De verdade!Foto de Woodlouse spider
Woodlouse spider. Foto: Meghan Cassidy. CC BY-SA 4.0, iNaturalist.

Como recoñecelo

  • Six eyes.1
  • A tawny orange to dark red head and chest section (cephalothorax) and legs.1
  • A shiny, pale beige to yellow-brown abdomen, which can be dark grey and sometimes very shiny.1
  • Very large fangs (chelicerae) for a spider of its size.1
  • Adult females are 11 to 15 mm long, and males are 9 to 10 mm long.1

Adoita confundirse con: The woodlouse spider can be hard to tell apart from Dysdera erythrina, which is much less common. D. erythrina is not usually found near human homes, so location can help.1

Poder da pezoña

Morde

A pezoña sae polos seus cairos ou dentes cando morde.

Que fai a súa pezoña?

It injects venom through its fangs to subdue its prey. In people, bites have been known to cause localised itching at the bite site.1

Que perigoso é para as persoas?

Perigo para as persoas: LeveComa unha picadura de abella ou menos. Practicamente inofensivo para as persoas.

It is a dangerous predator for woodlice but is not known to be a health hazard to humans or smaller animals. It has been known to bite people if handled. Verified bites have caused no major medical problems.1

Se morde

  • Lava a mordedura e ponlle unha bolsa de xeo para a dor. Busca axuda médica se a dor é forte, se se estende ou se a persoa se sente mal.

Chama sempre primeiro ao teu número de emerxencias (112, 000, 911). Isto son consellos xerais de primeiros auxilios, non consello médico. Primeiros auxilios básicos

Mantente a salvo

  • Nunca toques, collas nin molestes un animal salvaxe, aínda que sexa pequeno e aínda que pareza durmido ou morto.
  • Déixalle espazo. Se atopas un, mantén a calma, recúa amodo e déixao ir polo seu camiño.
  • Se un te morde: mantén a calma, non te movas, chama ao teu número de emerxencias (112, 000, 911) ou vai rápido a un hospital. Lembra como era, unha foto axuda.

Non vai a por ti. Usa a súa pezoña para cazar comida ou para defenderse, e prefire con moito agocharse. Máis sobre como estar a salvo

Que tamaño ten?

Canto mide?

Woodlouse spider mide uns 1,5 cm (0,6 in)Un gran de arroz uns 7 mm (0,3 in)Unha moeda de 1 euro uns 2,3 cm (0,9 in)
máis curto ca o teu dedo meniño

Que tamaño ten Woodlouse spider comparado CONTIGO?

Só son contas no teu navegador. Non se garda nin se envía nada a ningures.

Que rápido é?

paga a pena sabelo

Datos

1

It is an unusually dominant predator for its size because of its large fangs and wide gape.1

2

It often dominates and sometimes kills other spiders and centipedes.1

3

Courtship is typically aggressive, and mates can be injured by each other's large fangs.1

4

It hunts at night and does not spin a web. Instead, it searches warm places for prey.1

5

Although it began in the Mediterranean, it is now found on several continents, including Australia and New Zealand.1

Desmontamitos

Mito: Woodlouse spiders are dangerous to people.

Verdade: They are not known to be a health hazard to humans. They can bite if handled, but verified bites have not caused major medical problems.1

Para expertos en pezoñas

Nome científico
Dysdera crocata
Grupo
Arañas
Familia
Dysderidae2
Orde
Araneae
Continentes
Europa
Crías
The female lays her eggs in a silk sac, which can hold up to 70 eggs. She is believed to look after her young after they hatch.1
Perigo para as persoas
1 / 5: Leve3

De onde veñen os datos

  1. Woodlouse spider (Wikipedia (CC BY-SA 4.0))
  2. Dysdera crocata (iNaturalist): nomes e clasificación.
  3. Venom Wiki: o nivel de perigo, o tamaño típico e a velocidade estimada son nosos. Mira como os calculamos: Como valoramos o perigo.

Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos animais, non unha revista científica. Dínolo en [email protected] e arranxarémolo.

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