hafted— An object such as a stone knife blade that has been affixed to a handle to make it more serviceable.
halteres— Modified hindwings of a dipteran, used as balance organs during flight.
hemipteran— Member of the Order Hemiptera, true bugs that have mouthparts adapted for piercing and sucking and usually two pairs of wings during life cycle.
herb— A plant with no persistent woody stem aboveground.
herbaceous— Pertaining to an herb, opposed to woody; having the texture or color of a leaf; dying to the ground each year.
herpetologist— A person who studies amphibians and reptiles.
homopteran— Member of the Order or Suborder Homoptera, insects with sucking mouthparts (e.g., aphids).
horn sheath— Outer horn material, analagous in composition and origin to fingernail, that grows over a horn core made of bone. In contrast, an antler is entirely bone.
hybridize— To interbreed or cross two different races.
hymenopteran, hymenopteron— Member of the Order Hymenoptera, highly specialized insects with complete metamorphosis, including bees and ants.
hypersaline— High in salt content.