chelicera

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che·lic·er·a

, pl.

che·lic·er·ae

(ke-lis'ĭ-ră, -ĭ-rē),
One of the two anterior appendages of arachnids; in ticks and parasitic mites, the chelicerae are piercing and cutting structures, and constitute important feeding organs.
[G. chēlē, claw, + keras, horn]

chelicera

(kĭ-lĭs′ər-ə)
n. pl. chelic·erae (-ə-rē′)
Either of the first pair of fanglike appendages near the mouth of an arachnid or a horseshoe crab, often modified for grasping and piercing.

chelicera

one of a pair of grasping and piercing organs present in Arachnids and Horseshoe crabs.
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References in periodicals archive ?
MALE (MCZ 103144): Total length: 17.82, carapace (Figure 6a), length 9.16, width 8.25, chelicerae with 10 teeth on promargin.
Descripcion del macho de Bistriopelma matuskai Kaderka 2015 y de una nueva especie de Bistriopelma de Peru (Araneae: Theraphosidae: Theraphosinae)
The third possibility is that the chelicerae were used to dig or rake the sediment.
Ichnology of the Devonian (Emsian) Campbellton Formation, New Brunswick, Canada
Lindquist (1998) clearly showed that in some Trombidiform lineages, the chelicerae were modified to stylets that were used to perforate the surface of plants and to extract the cellular content of plants.
Mites occurrence on Pachira aquatica Aubl. including aspects of external mouthpart morphology of Brachytydeus formosa (Acari: Tydeidae)/Ocorrencia de acaros em Paquira aquatica Aubl. incluindo aspectos morfologicos do aparato bucal de Brachytydeus formosa (Acari: Tydeidae)
Field cages were randomly assigned one of four treatments: 1) enclosures with only vegetation, where all herbivorous insects were actively excluded to serve as a control, 2) grasshoppers and vegetation, 3) vegetation, grasshoppers and spiders, and 4) vegetation, grasshoppers, and spiders with their chelicerae glued with beeswax to prevent them from subduing prey and only acting as intimidating factors.
Non-consumptive interactions between grasshoppers (Orthoptera: Acrididae) and wolf spiders (Lycosidae) produce trophic cascades in an old-field ecosystem
Chelicerae with 3 posterior teeth, close together, barely fused.
Olios sjostedti Lessert, 1921 (Araneae: Sparassidae): first description of the female and first records from South Africa and Botswana
Body [male] Length 6.3 (7.4) ([female]) Width 4.5 (5.3) Basal segment 1.65 (1.7) Chelicerae Femur Patella Pedipalp 1.4 (1.2) 0.70 (0.65) Leg I 3.0 (2.6) 1.05 (1.02) Leg II 6.2 (6.1) 1.80 (1.7) Leg III 3.3 (3.1) 1.40 (1.3) Leg IV 4.3 (4.2) 1.52 (1.5) Distal segment 1.95 (2.1) Chelicerae Tibia Metatarsus Tarsus Total Pedipalp 1.30 (0.9) -- 1.6 (1.4) 5.0 (4.15) Leg I 2.45 (2.4) 3.4 (3.3) 4.8 (4.7) 14.7 (14.02) Leg II 6.00 (5.8) 5.7 (5.5) 10.0 (9.0) 29.7 (28.1) Leg III 3.00 (2.9) 3.7 (3.6) 5.0 (4.9) 16.4 (15.8) Leg IV 4.00 (3.9) 4.8 (4.8) 8.5 (7.8) 23.12 (22.2)
New record of the genus Homolophus (Opiliones: Phalangiidae) in Turkey and SEM studies on its morphology
The jawlike chelicerae rise 90 degrees and then slam fanged tips into the prey.
Pelican spiders: slow, safe assassins
A medial unpaired labral bud and chelicerae appeared anterior to the stomodeal invagination.
Biological studies of coconut infesting mite- Dolichotertranychus cocos
They then crush the prey with their chelicerae and suck up the juices.
Common spiders of New York
Sunlight illuminates her body, accentuating the furry body hairs, the minute chelicerae forking in front of her mouth, ending in hollow fangs.
SpiderWerk
The mouthparts consist of a pair of segmented palps (feelers), a pair of sharp-bladed chelicerae (pincers) that slice the skin, and a needlelike hypostome through which blood is sucked.
The Ugly World of Ticks
Chelicerae reddish-yellow with dark spots on the median zone; fingers reddish.
Taxonomic and ecological observations on the scorpions collected in the Forest of Ankazomivady-Ambositra and on the "RS d'Ivohibe", Madagascar

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