79
Mostly True
United States
The website discusses how cicadas use darkness cues to move toward trees, focusing on Brood XIII cicadas and their behavior known as skototaxis.
The claims regarding cicadas and their use of darkness cues for navigation are well-supported by multiple sources. Cicadas, particularly Brood XIII, are confirmed to use darkness cues to move toward trees, a behavior known as skototaxis, which is also observed in other insects. The evidence is consistent and comes from reliable sources, leading to high confidence in the factual accuracy of these claims.
Individual Claims
79
Mostly True
Animals
Cicadas use darkness cues from shadows to move toward trees.
Multiple sources confirm that cicadas use darkness cues to navigate toward trees. Science News and other sources describe how cicadas detect shadows to find vertical surfaces, which is crucial for their transformation into winged adults.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
50
Source Quality Score
85
Source Quality Weight
25
Llm Reasoning Score
80
Llm Reasoning Weight
25
Weighted Total
79
Evidence Summary
Multiple web sources confirm cicadas use darkness cues to navigate.
86
True
Animals
Brood XIII cicadas spend 17 years developing in subterranean tunnels before emerging.
Evidence from Wikipedia and other sources confirms that Brood XIII cicadas spend 17 years underground before emerging. This is a well-documented behavior of periodical cicadas.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
95
Web Consensus Weight
50
Source Quality Score
90
Source Quality Weight
25
Llm Reasoning Score
90
Llm Reasoning Weight
25
Weighted Total
86
Evidence Summary
Multiple authoritative sources confirm Brood XIII cicadas' 17-year cycle.
76
Mostly True
Animals
Cicada nymphs use darkness cues to move with striking precision toward tree trunks.
Web evidence supports that cicada nymphs use darkness cues to navigate toward tree trunks. This behavior is crucial for their development into adults.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
85
Web Consensus Weight
50
Source Quality Score
80
Source Quality Weight
25
Llm Reasoning Score
80
Llm Reasoning Weight
25
Weighted Total
76
Evidence Summary
Multiple sources confirm cicada nymphs use darkness cues for navigation.
73
Mostly True
Animals
Without the contrast between light and darkness, most immature cicadas wander aimlessly and never reach a trunk.
Evidence indicates that cicadas rely on light contrast to navigate. Without it, they struggle to find trees, supporting the claim that they wander aimlessly without these cues.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
80
Web Consensus Weight
50
Source Quality Score
75
Source Quality Weight
25
Llm Reasoning Score
75
Llm Reasoning Weight
25
Weighted Total
73
Evidence Summary
Web sources confirm cicadas need light contrast for navigation.
81
True
Animals
Skototaxis exists across the insect world, including cicadas, crickets, beetles, ants, flat bugs, and swimming bees.
Multiple sources confirm that skototaxis, the movement toward darkness, is observed in various insects including cicadas, crickets, beetles, ants, flat bugs, and swimming bees.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
50
Source Quality Score
85
Source Quality Weight
25
Llm Reasoning Score
85
Llm Reasoning Weight
25
Weighted Total
81
Evidence Summary
Multiple sources confirm skototaxis in various insects.
