ergatoid reproductive or ergatoid (ARTHRO: Insecta) Supplementary reproductive termite, usually larval in appearance with a distinctive rounded head; tertiary reproductive; apterous neote(i)nic.
ergatomorphic male (ARTHRO: Insecta) A social insect with normal male genitalia and a worker-like body; an ergatoid male; an ergataner.
ergatotelic type (ARTHRO: Insecta) A group of social insects, including the honey-bees in which the queen manifests only secondary instincts, while the workers retain the primary instincts. see gynaecotelic type.
ergonomics n. [Gr. ergon, work; nomos, law] (ARTHRO: Insecta) The quantitative study of the distribution of work performance and efficiency of social insects.
ericeticolous a. [Gr. erike, heath; L. colere, to inhabit] Inhabiting a heath or similar environment.
erichthus larva (ARTHRO: Crustacea) In Hoplocardia, a mega-lopa type larva of mantis shrimp in the families Lysiosquilli-dae and Gonodactylidae.
erosion n. [L. erosus; eaten away] 1. Wearing away of soil because of wind, water, or gravitational action. 2. (MOLL: Gastropoda) The disintergration of the apex of the shell.
errantia n. [L. errere, to wander] 1. Mobile organisms. 2. (ANN: Polychaeta) Sometimes used as a taxonomic group.
eruca n.; pl. erucae [L. eruca, caterpillar] (ARTHRO: Insecta) A caterpillar or other insect larva similar in appearance.
eruciform a. [L. eruca, caterpillar; forma, shape] (ARTHRO: Insecta) Having a body shaped like a caterpillar: cylindrical body, well developed head, thoracic legs, and abdominal prolegs. see polypod larva.
eruciform larva (ARTHRO: Insecta) The larval instar of certain Hymenoptera and Lepidoptera, caterpillar-like larva with a well-developed head capsule, true legs and often abdominal prolegs.
erucism n. [L. eruca, caterpillar; -ismus, denoting condition] (ARTHRO: Insecta) Poisoning or rash caused by caterpillars
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