0661. zenbakia, guztira 1 402

Brazilian brown spider

Loxosceles intermedia

Medikua behar duGutxitan da hilgarria, baina koska batek medikua behar du.

KoskaJaten du: Intsektuak

Arriskua pertsonentzat: LarriaKoska batek medikua behar du. Heriotzak oso arraroak dira.

The Brazilian brown recluse spider is a small spider that is highly venomous. It lives in parts of Brazil and Argentina, and it is one of the species linked to deaths from spider bites in South America. Its bite can seem mild at first, so it matters to know what it looks like.1

Non bizi den

Brazil and Argentina: southeastern and southern Brazil, and northern Argentina1

Hego Amerika

Hasiera

It lives in dark, very dry cracks in warm regions below 500 m, and is often found under fallen tree trunks and debris. It is also common around or inside houses, where it has been found in socks, clothes, blankets, wardrobes and garages.1

Luzera

5,3 mm eta 8,5 mm artean (0,2 in eta 0,3 in artean)1

Abiadura handiena

0,86 km/h inguru (0,53 mph)

Lehorrean, kalkulu gutxi gorabeherakoa

Zer jaten du?

It eats insects such as cockroaches, crickets and beetles. It has also been reported to attack other arthropods, such as scorpions.1

Argazkia: Brazilian brown spider — Brazilian brown spider. Argazkia: unknown. CC0, iNaturalist.

Nola ezagutu

Carapace (the front body shield) is dull yellow to orange-brown, with a dark, U-shaped marking on the head area that contrasts with the yellowish thorax.1
Legs are orange-brown to reddish-brown.1
Abdomen is grey or blackened, and darker on top than underneath.1
Small spider: the female is about 8.5 mm long, and the male is smaller.1
Active at night and very shy, usually found in dark places.1

Pozoi-ahalmena

Koska

Pozoia letaginetatik edo hortzetatik ateratzen da kosk egiten duenean.

Zer egiten du bere pozoiak?

Its venom contains a high concentration of the enzyme sphingomyelinase D, which causes both local and whole-body effects. Symptoms usually take hours to appear. The bite starts with severe pain, redness, swelling and blisters, and in more severe cases the skin tissue can die. Whole-body effects can include damage to red blood cells, heart problems, low blood pressure, kidney failure and severe bleeding.1

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: LarriaKoska batek medikua behar du. Heriotzak oso arraroak dira.

It is one of the main species linked to deaths from spider bites in South America. Whole-body effects occur frequently after its bite. Because symptoms are delayed, a victim may think the bite was mild.1

Zer egiten du beldurtzen denean?

It is a very shy spider that keeps to dark places, so it is rarely seen.1

Kosk egiten badu

Garbitu koska eta jarri izotz-poltsa bat gainean minerako. Lortu mediku-laguntza mina handia bada, zabaltzen bada edo pertsona gaizki sentitzen bada.

Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak

Egon seguru

Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
Batek kosk egiten badizu: egon lasai, egon geldi, deitu zure larrialdi-zenbakira (112, 000, 911) edo joan ospitalera azkar. Gogoratu nolakoa zen, argazki batek laguntzen du.

Ez dabil zure atzetik. Pozoia janaria harrapatzeko edo bere burua babesteko erabiltzen du, eta askoz nahiago du ezkutatu. Seguru egoteari buruz gehiago

Munduko zein tokitan?

Afrika Asia Europa Ipar Amerika Hego Amerika Australia eta Ozeania

Zein handia da?

Zein luzea da?

zure azazkalaren gainean esertzeko bezain txikia

Zein handia da Brazilian brown spider ZUREKIN alderatuta?

Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.

Zein azkarra da?

Dortoka bat 0,3 km/h inguru (0,19 mph)

Brazilian brown spider 0,86 km/h inguru (0,53 mph)

Oinez doan pertsona bat 5 km/h inguru (3,1 mph)

jakin beharrekoa

Datuak

The minimum dose that causes skin tissue death is 2.4 μg per kg of body weight.1

An average bite injects about 40 μg of venom proteins.1

It produces about 5.6 mg of venom, and the male produces less, around 2.43 mg.1

Males have much longer legs than females, although the female has the larger body.1

Its webs are irregular and built under fallen tree trunks and debris, usually in dark places.1

Pozoi-adituentzat

Izen zientifikoa: Loxosceles intermedia
Taldea: Armiarmak
Familia: Sicariidae2
Ordena: Araneae
Kontinenteak: Hego Amerika
Kumeak: The female breeds in the hottest months of the year, laying about 20 eggs in a bag-shaped web, and the young take 46 days to hatch.1
Arriskua pertsonentzat: 3 / 5: Larria3

Datuak nondik datozen

Loxosceles intermedia (Wikipedia (CC BY-SA 4.0))
Loxosceles intermedia (iNaturalist): izenak eta sailkapena.
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