Definition that contains arval
- embryo an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
- tadpole a larval frog or toad
- chigger larval mite that sucks the blood of vertebrates including human beings causing intense irritation
- pupal of the insects in the chrysalis (cocoon) or post larval stage
- mayfly slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days
- jigger larval mite that sucks the blood of vertebrates including human beings causing intense irritation
- prepupal of an inactive stage in the development of some insects, between the larval and the pupal stages
- semiaquatic having an aquatic early or larval form and a terrestrial adult form
- polliwog a larval frog or toad
- pollywog a larval frog or toad