Venom Wiki
Eserese katuun nke Cow killer velvet ant
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Cow killer velvet ant

Dasymutilla occidentalis
Gbasara aha ya: The nickname cow killer comes from its extremely painful sting. It is called an ant because it looks like one, but it is a wasp.1
Naanị na-afụ ụfụỌ na-afụ ụfụ, mana ọ gaghị emerụ gị ahụ nke ukwuu.
Aṅụ, ebu na ebu ukwu ỊgbaNri ya: Anụ
Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

The cow killer velvet ant is a wasp that looks like a black and red ant. It lives in the eastern United States, from Connecticut and Kansas in the north to Florida and Texas in the south. It is known for a sting so painful that it earned the nickname cow killer.1

Ebe obibi
Eastern United States, from Connecticut to Kansas in the north and Florida to Texas in the south1
Ugwu Amerika
Ogologo
1.9 cm (0.7 in)1
Ọsọ kacha elu
ihe dị ka 0.5 km/h (0.31 mph)
N'elu ala, nchepụta
Gịnị ka ọ na-eri?
The young are parasites. A female lays an egg on a host larva, and the grub that hatches eats the host larva.1
N'ezie!Foto Cow killer velvet ant
Cow killer velvet ant. Foto: Judy Gallagher. CC BY-SA 4.0, iNaturalist.

Otú ị ga-esi mata ya

  • Black overall, with bright red on the upper side of the head, thorax and abdomen.1
  • Females have no wings. Males have dark, translucent wings and no stinger.1
  • Adults reach about 1.9 cm long, the largest velvet ant in the eastern United States.1
  • Quick-moving, and often takes a defensive posture when threatened.1
  • Adults are mostly seen in the summer months.1

A na-agwakọkarị ya na: It is often mistaken for an ant because of its appearance and its common name. It is actually a wasp, and only the males have wings.1

Ike nsị

Ịgba

Nsị na-esi na ndụdụ ya apụta.

Gịnị ka nsị ọ na-agba na-eme?

Its sting is among the most painful of any insect, ranked 3 out of 4 on the Schmidt sting pain index. The venom contains a peptide called Do6a, which triggers a pain response in fruit fly larvae in laboratory studies.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

The sting is extremely painful, ranked 3 out of 4 on the Schmidt sting pain index. This is the reason for the nickname cow killer.1

Gịnị ka ọ na-eme mgbe ụjọ tụrụ ya?

It has a thickened exoskeleton, runs fast and evasively, shows warning colours, makes a squeaking sound by rubbing its abdominal segments together, releases a chemical secretion and uses its venom.1

Ọ bụrụ na ọ gbaa

  • Kọpụta ndụdụ aṅụ ahụ hapụrụ, mee ka ebe ahụ jụọ oyi.
  • Ọ bụrụ na o siri onye ahụ ike iku ume, ihu ya ma ọ bụ akpịrị ya na-aza, ma ọ bụ na ọ dị ya ka ọ ga-ada mbà, ọ bụ mberede allergy: kpọọ nọmba mberede gị, jirikwa adrenaline pen ya (adrenaline auto-injector) ma ọ bụrụ na o nwere otu.

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 gbaa 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

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

Cow killer velvet ant ogologo ya dị ihe dị ka 1.9 cm (0.7 in)Otu mkpụrụ osikapa ihe dị ka 7 mm (0.3 in)Mkpụrụ ego otu euro ihe dị ka 2.3 cm (0.9 in)
dị mkpụmkpụ karịa obere mkpịsị aka gị

Kedu otú Cow killer velvet ant 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?

ọ dị mma ịmara

Eziokwu

1

Both sexes squeak to warn predators. Velvet ants rub their abdominal segments together, while crickets rub their legs against their abdomen.1

2

North American velvet ant species form one of the most intricate mimicry rings in the natural world, split into eight separate rings of mimicry.1

3

Males find females by smelling pheromones and by following their squeaking sounds. They carry the female in their jaws to a shaded, safe spot to mate.1

4

Females are wingless, a feature shared by all females in the family Mutillidae.1

5

Females are believed to mate only once in their lifetime.1

Onye na-ekpughe akụkọ ụgha

Akụkọ ụgha: It is an ant because it looks like one and has the name ant.

Eziokwu: It is a parasitoid wasp. It is only commonly mistaken for an ant.1

Maka ndị ọkachamara nsị

Aha sayensị
Dasymutilla occidentalis
Otu
Aṅụ, ebu na ebu ukwu
Ezinụlọ
Mutillidae2
Usoro
Hymenoptera
Kọntinent dị iche iche
Ugwu Amerika
Ụmụ ọhụrụ
A female lays a single egg onto a host larva, such as one of the eastern cicada killer or horse guard wasp, and the grub that hatches eats the host larva.1
Ihe ize ndụ nye mmadụ
2 / 5: Na-afụ ụfụ3

Ebe eziokwu ndị a si

  1. Dasymutilla occidentalis (Wikipedia (CC BY-SA 4.0))
  2. Dasymutilla occidentalis (iNaturalist): aha na nhazi ọkwa.
  3. 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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Ndị ọzọ si n'otu ahụ: Aṅụ, ebu na ebu ukwu

Ọ na-ebikwa na: Ugwu Amerika

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