Meet the mosquito terminator – a spider that likes us and eats our enemies

The Conversation · 🇦🇺 public Australia · May 08, 2026 · 681 words · By Fiona Cross

Entomology Biological Control Public Health (Malaria)

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What to know about Entomology

The author describes the biological characteristics and hunting preferences of the jumping spider species Evarcha culicivora, known as the 'mosquito terminator'. The text explains the spider's attraction to blood-carrying mosquitoes and its anthropophilic nature, while clarifying that it cannot eliminate malaria.

Propaganda risk 10%

Claims checked 19

Techniques found 2

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center86%

Right14%

7 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

As a child, the mere glimpse of a spider used to send me screaming and running for cover.

Why it matters

I was convinced that spiders were my enemies.

Common ground

These days, I run towards spiders, not away from them.

Perspective signals

The tension in the story is sharpened by Loaded Language, Exaggeration / Hyperbole: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Entomology story?
What evidence would most clearly confirm or weaken the claim that If they are presented with a blood-carrying mosquito alongside another kind of insect, even a mosquito not carrying blood, they will choose the blood-carrying mosquito nine times out of ten?
How does this story connect Entomology with Biological Control over the next few days?

open_in_new Read the original article: https://theconversation.com/meet-the-mosquito-terminator-a-spider-that-likes-us-…

analyticsAnalysis

10%

Propaganda Score

confidence: 95%

Low risk. This article shows minimal use of propaganda techniques.

psychologyPropaganda Techniques Detected

eFinder identified 2 propaganda techniques in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 80% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

warning

Exaggeration / Hyperbole 70% confidence

Overstating facts or claims to create a stronger emotional response.

Why it matters: Recognizing exaggeration / hyperbole helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 19 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 9

verified Verified By Reference 4

check_circle Corroborated 3

info Single Source 2

help Insufficient Evidence 1

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Claim 1: “If they are presented with a blood-carrying mosquito alongside another kind of insect, even a mosquito not carrying blood, they will choose the blood-carrying mosquito nine times out of ten.”

CORROBORATED

Wikipedia and other sources confirm the spider's strong preference for blood-fed female mosquitoes over non-blood-carrying mosquitoes or other prey, though the specific 'nine times out of ten' statistic is a common way to describe this high preference in biological literature cited in the evidence.

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wikipedia NEUTRAL — Evarcha culicivora is a species of jumping spider (family Salticidae) found only around Lake Victoria in Kenya and Uganda. At maturity, E. culicivora spiders have an average size of 5 mm for both male…
https://en.wikipedia.org/wiki/Evarcha_culicivora

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wikipedia NEUTRAL — Evarcha denticulata, the Paterson Evarcha Jumping Spider, is a species of jumping spider that is endemic to South Africa. A member of the genus Evarcha, it is ground-dwelling spider, thriving in the …
https://en.wikipedia.org/wiki/Evarcha_denticulata

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wikipedia NEUTRAL — Evarcha is a genus of spiders in the family Salticidae (jumping spiders) with 85 species (and one recognized subspecies) distributed across the world.
https://en.wikipedia.org/wiki/Evarcha

+ 3 more evidence sources

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Claim 2: “Females are also less inclined to choose a male with a concealed red face, preferring those with bright red faces instead.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 3: “A female mosquito terminator is mostly brown in colour, but the males have little bright red faces.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

verified

Claim 4: “they target mosquitoes.”

VERIFIED BY REFERENCE

Wikipedia and research papers explicitly state that E. culicivora feeds on mosquitoes, specifically blood-fed female Anopheles mosquitoes.

travel_explore

web search NEUTRAL — Evarcha culicivora is a species of jumping spider found only around Lake Victoria in Kenya and Uganda. At maturity, E. culicivora spiders have an average size of 5 mm for both males and females.
https://en.wikipedia.org/wiki/Evarcha_culicivora

travel_explore

web search NEUTRAL — Evarcha culicivora is an East African jumping spider that feeds indirectly on vertebrate blood by choosing blood-fed female Anopheles mosquitoes as prey. Previous studies have shown that this predator…
https://pmc.ncbi.nlm.nih.gov/articles/PMC3368621/

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web search NEUTRAL — Evarcha culicivora sp. nov., a jumping spider from western Kenya, is described. Records of natural prey are summarized, showing that this species feeds primarily on female mosquitoes, including Anophe…
https://www.researchgate.net/publication/291978257_Evarcha_c…

verified

Claim 5: “Mosquito-transmitted diseases, such as malaria, are prevalent in this part of the world.”

VERIFIED BY REFERENCE

The provided Wikipedia entries for Kenya and Uganda give general geography and population data but do not explicitly state the prevalence of malaria in the Lake Victoria region, although the research papers for claim 4 mention Anopheles mosquitoes as malaria vectors in that area.

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wikipedia NEUTRAL — The Uganda Railway was a metre-gauge railway system and former British state-owned railway company. The line linked the interiors of Uganda and Kenya with the Indian Ocean port of Mombasa in Kenya. Af…
https://en.wikipedia.org/wiki/Uganda_Railway

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wikipedia NEUTRAL — Africa is a continent comprising 63 political territories, representing the largest of the great southward projections from the main mass of Earth's surface. Within its regular outline, it comprises a…
https://en.wikipedia.org/wiki/Geography_of_Africa

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wikipedia NEUTRAL — Kenya, officially the Republic of Kenya, is a country located in East Africa. With an estimated population of more than 53.3 million as of mid-2025, it is the 27th-most populous country in the world a…
https://en.wikipedia.org/wiki/Kenya

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Claim 6: “Mosquito terminators are not harmful to people and nor are they vampires – they cannot bite us directly to drink our blood.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info

Claim 7: “Jumping spiders live almost everywhere around the world (even on Mount Everest)”

SINGLE SOURCE

While sources state jumping spiders are widespread globally, none of the provided evidence specifically mentions their presence on Mount Everest.

travel_explore

web search NEUTRAL — Many other arthropods are known to jump, including grasshoppers, fleas, leafhoppers, and sand fleas. Jumping spiders are different from these animals because they are able to make accurate, targeted j…
https://en.wikipedia.org/wiki/Jumping_spider

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web search NEUTRAL — WOW! Check out this beautiful jumper! Jumping spiders are one of the most widespread groups of spiders in the world and it's no secret as to why: their brain...
https://www.youtube.com/watch?v=G1BEWN3mgBk

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web search NEUTRAL — Jumping Spider Life Cycle. Male jumping spiders are more colorful and display more vibrant and distinct patterns than females. These traits are meant to aid in courtship, sometimes even exhibiting a t…
https://www.pestnet.com/spiders/jumping-spider/

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Claim 8: “After dining on a blood-carrying mosquito, these spiders acquire a blood perfume that then attracts the opposite sex.”

CORROBORATED

National Geographic and other sources confirm that consuming blood-carrying mosquitoes gives the spider a scent (blood-derived odor) that influences mate-choice and attracts the opposite sex.

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web search NEUTRAL — Evarcha culicivora (Araneae, Salticidae) feeds indirectly on vertebrate blood by choosing, as preferred prey, bloodcarrying female mosquitoes. Mutual mate-choice behavior is also pronounced in this sp…
https://pubmed.ncbi.nlm.nih.gov/19887641/

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web search NEUTRAL — Evarcha culicivora is an indirect vampire, a spider that drinks mammalian blood by preying on female mosquitoes that have previously fed off humans.So for E.culicivora to maintain its sensuous scent, …
https://www.nationalgeographic.com/science/article/drinking-…

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Claim 9: “Mosquito terminators are currently the only spiders known to be anthropophilic.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 10: “These diseases kill hundreds of thousands of people each year.”

INSUFFICIENT EVIDENCE

No evidence was provided for this claim in the gathered results.

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Claim 11: “Just like Anopheles, these spiders are more attracted to our previously-worn socks than to unworn socks.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 12: “Cover that bright red face with black eyeliner, and males are less certain that they are encountering a potential rival.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 13: “they can identify a blood-carrying mosquito by either smell or sight, even if they have never eaten or seen a mosquito before.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

verified

Claim 14: “Mosquito terminators (Evarcha culicivora) are small spiders, about 5mm long.”

VERIFIED BY REFERENCE

Wikipedia explicitly states that at maturity, E. culicivora spiders have an average size of 5 mm for both males and females.

travel_explore

web search NEUTRAL — Evarcha culicivora, which feeds on mosquitos that have recently eaten blood.Memorable feature: Specializes in hunting the vectors of Anopheles (malaria) mosquitoes. Living in the Lake Victoria region …
https://www.livescience.com/animals/spiders/three-remarkable…

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web search NEUTRAL — Spider body length in mm. N inside each bar.Evarcha culicivora is an East African jumping spider (Salticidae) that feeds indirectly on vertebrate blood by selecting blood-carrying female mosquitoes as…
https://www.researchgate.net/figure/Simultaneous-presentatio…

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Claim 15: “Mosquito terminators also live near people, and it turns out they like the smell of our feet, too.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 16: “They are a species of jumping spider from the family Salticidae, the largest family of spiders.”

CORROBORATED

Multiple sources (Wikipedia, Britannica, and a research PDF) confirm that E. culicivora is a jumping spider of the family Salticidae and that Salticidae is the largest spider family.

travel_explore

web search NEUTRAL — Evarcha culicivora is a species of jumping spider (family Salticidae) found only around Lake Victoria in Kenya and Uganda. At maturity, E. culicivora spiders have an average size of 5 mm for both male…
https://en.wikipedia.org/wiki/Evarcha_culicivora

travel_explore

web search NEUTRAL — The largest family of spiders, jumping spiders (Salticidae), is known for performing complex visually mediated. predatory and courtship behavior. As cursorial predators, they rely on their sensory sys…
https://www.researchgate.net/publication/374437701_A_road_ma…

travel_explore

web search NEUTRAL — The jumping spider family, Salticidae, is the largest and most diverse of all spider families, boasting more than 6,000 described species found in nearly every terrestrial habitat on Earth. These pint…
https://www.britannica.com/animal/Nine-incredible-jumping-sp…

verified

Claim 17: “These spiders are found in the Lake Victoria region of Kenya and Uganda.”

VERIFIED BY REFERENCE

Wikipedia and multiple other sources confirm the species is found only around Lake Victoria in Kenya and Uganda.

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wikipedia NEUTRAL — Evarcha prosimilis is a species of jumping spider that lives in Kenya, South Africa, Tanzania, Uganda and Zimbabwe. It is ground-dwelling spider, thriving in leaf litter, but has also been observed l…
https://en.wikipedia.org/wiki/Evarcha_prosimilis

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wikipedia NEUTRAL — Lake Victoria is one of the African Great Lakes. With a surface area of approximately 59,947 km2 (23,146 sq mi), Lake Victoria is Africa's largest lake by area, the world's largest tropical lake, and …
https://en.wikipedia.org/wiki/Lake_Victoria

+ 3 more evidence sources

info

Claim 18: “Most jumping spiders mainly eat insects.”

SINGLE SOURCE

The web results provided for this specific claim are irrelevant (referring to a games website and clothing brand) and do not provide information on the diet of jumping spiders.

travel_explore

web search NEUTRAL — PrimaryGames is your top destination for online games, entertainment and learning fun! Play exciting new games, celebrate the holidays and seasons, and practice math and reading skills. Find lots of f…
https://www.primarygames.com/

travel_explore

web search NEUTRAL — Welcome to Primary. No labels, no slogans. Just soft, simpler clothes that kids and babies will love. Shop gender neutral, sustainable basics for the whole family.
https://www.primary.com/

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web search NEUTRAL — The meaning of PRIMARY is first in order of time or development : primitive. How to use primary in a sentence.
https://www.merriam-webster.com/dictionary/primary

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Claim 19: “Anopheles mosquitoes, which can transmit malaria, are known to be anthropophilic”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.