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

The Conversation · · 681 words · By Fiona Cross
Entomology Biological Control Public Health (Malaria)

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.

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.

psychologyDetected Techniques

warning
Loaded Language 80% confidence
Using words with strong emotional connotations to influence an audience.
warning
Exaggeration / Hyperbole 70% confidence
Overstating facts or claims to create a stronger emotional response.

fact_checkFact-Check Results

19 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

schedule Pending 9
verified Verified By Reference 4
check_circle Corroborated 3
info Single Source 2
help Insufficient Evidence 1
verified
“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 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, 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…
travel_explore
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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“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…
info
“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
travel_explore
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
travel_explore
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/
info
“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/
travel_explore
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
verified
“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/
travel_explore
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…
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“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.
menu_book
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
menu_book
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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“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.
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 (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/
travel_explore
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-…
verified
“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.
menu_book
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
menu_book
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
verified
“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
help
“These diseases kill hundreds of thousands of people each year.”
INSUFFICIENT EVIDENCE
No evidence was provided for this claim in the gathered results.
schedule
“Anopheles mosquitoes, which can transmit malaria, are known to be anthropophilic”
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“Mosquito terminators also live near people, and it turns out they like the smell of our feet, too.”
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“Just like Anopheles, these spiders are more attracted to our previously-worn socks than to unworn socks.”
PENDING
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“Mosquito terminators are currently the only spiders known to be anthropophilic.”
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“they can identify a blood-carrying mosquito by either smell or sight, even if they have never eaten or seen a mosquito before.”
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“A female mosquito terminator is mostly brown in colour, but the males have little bright red faces.”
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“Cover that bright red face with black eyeliner, and males are less certain that they are encountering a potential rival.”
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“Females are also less inclined to choose a male with a concealed red face, preferring those with bright red faces instead.”
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“Mosquito terminators are not harmful to people and nor are they vampires – they cannot bite us directly to drink our blood.”
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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.