haliotoid a. [Gr. hals, salt, sea; otos, ear; eidos, like] Ear-shaped.
Haller's organ (ARTHRO: Insecta) A complex sensory setal field within one or more pits, on the dorsal aspect of tarsus I of ticks and mites, providing sites for contact or olfactory chemoreception.
halmatometamorphosis n. [Gr. halmatos, leap; metamorphosis, transform, change] (ARTHRO: Insecta) The process of degeneration of larval structures and development of specialized structures adapted for arthropod endoparasitic life.
halocline n. [Gr. hals, salt, sea; klinein, to slope] That area of sharp vertical salinity change in the ocean or other saline water.
halophile n. [Gr. hals, salt, sea; philos, love] An organism adapted to living in a salty environment.
halter n.; pl. halteres [Gr. halter, balancer] (ARTHRO: Insecta) In Diptera, sense organs consisting of a basal lobe, a stalk and an end knob on each side of the metathorax, representing a reduced hind wing; balancers.
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