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Northern yellow sac spider

Cheiracanthium mildei

Adịghị njọỌ dịghị njọ nye mmadụ. Ọ dịghị ihe ị ga-echegbu onwe gị.

ỊtaNri ya: Anụ

Ihe ize ndụ nye mmadụ: ObereDị ka ịgba aṅụ ma ọ bụ nke na-erughị ya. Ọ fọrọ nke nta ka ọ ghara ịdị njọ nye mmadụ.

The northern yellow sac spider is a small spider with a pale green or tan body. It is native to Europe, North Africa and Central Asia, and it is often found indoors. Its bite is described as mild in its effects.1

Ebe obibi

Europe, North Africa, the Caucasus and Central Asia; introduced to the United States and parts of South America1

Yurop, Afrịka, Eshia

Ụlọ

It is more often found inside buildings than outside. It is widespread across the northeastern United States and eastern Canada.1

Ogologo

7 mm ruo 1 cm (0.3 in ruo 0.4 in)1

Ọsọ kacha elu

ihe dị ka 0.8 km/h (0.5 mph)

N'elu ala, nchepụta

Gịnị ka ọ na-eri?

It is a dominant predator of a moth species, S. littoralis, in Africa and the Middle East. It kills the larvae by eating them, and also indirectly by knocking them off their host plants.1

Foto Northern yellow sac spider — Northern yellow sac spider. Foto: Richard Bartz. CC BY-SA 4.0, iNaturalist.

Otú ị ga-esi mata ya

Usually pale green or tan body1
Darker brown palps and chelicerae (mouthparts)1
Adults are usually 7–10 mm in body size1
Each leg ends in double claws1
The front pair of legs is much longer, up to twice the size of the others1

Ike nsị

Ịta

Nsị na-esi n'eze nsị ya ma ọ bụ eze ya apụta mgbe ọ na-ata.

Gịnị ka nsị ọ na-agba na-eme?

Bites appear to be mild in their effects on people.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: ObereDị ka ịgba aṅụ ma ọ bụ nke na-erughị ya. Ọ fọrọ nke nta ka ọ ghara ịdị njọ nye mmadụ.

It can bite humans, but the effects appear to be mild.1

Ọ bụrụ na ọ tara

Saa ebe ọ tara, tinye akpa ice n'elu ya maka mgbu ahụ. Chọọ enyemaka ọgwụ ma ọ bụrụ na mgbu ahụ siri ike, gbasaa, ma ọ bụ na ahụ adịghị onye ahụ mma.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
Ọ bụrụ na otu tara gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

dị obere nke na ọ nwere ike ịnọdụ n'elu mbọ aka gị

Kedu otú Northern yellow sac spider si hà ma e jiri ya tụnyere GỊ?

Naanị mgbakọ na mwepụ n'ime browser gị. Ọ dịghị ihe echekwara ma ọ bụ ezigara ebe ọ bụla.

Kedu otú o si agba ọsọ?

Mbe ihe dị ka 0.3 km/h (0.19 mph)

Northern yellow sac spider ihe dị ka 0.8 km/h (0.5 mph)

Mmadụ na-aga ije ihe dị ka 5 km/h (3.1 mph)

ọ dị mma ịmara

Eziokwu

Its eyes have a tapetum lucidum, a reflective layer that shines back at a light source once lit.1

The tapeta may help the spider navigate by detecting the polarisation of light from the sky.1

The tapetum is shaped like a canoe and cannot form sharp images, so its exact benefit is uncertain.1

It was probably first carried from Europe to the Americas during periods of colonisation.1

Maka ndị ọkachamara nsị

Aha sayensị: Cheiracanthium mildei
Otu: Ududo
Ezinụlọ: Cheiracanthiidae2
Usoro: Araneae
Kọntinent dị iche iche: Yurop, Afrịka, Eshia
Ihe ize ndụ nye mmadụ: 1 / 5: Obere3

Ebe eziokwu ndị a si

Cheiracanthium mildei (Wikipedia (CC BY-SA 4.0))
Cheiracanthium mildei (iNaturalist): aha na nhazi ọkwa.
Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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