Part 62

Genicular arc: Orthoptera; a curved dark marking on the posterior knee-joint.

Geniculate: knee jointed: abruptly bent in an obtuse angle.

Geniculum: a little knee or bend.

Genital armature: all the processes concerned in copulation.

Genital hamule: a little hook or plate covering the anal cavity of the male: the supra-anal or genital hook: in Lepidoptera, the uncut: in Odonata, in the plural, one or two pairs of lateral processes of the male genitalia on the ventral surface of the second abdominal segment.

Genital hook: = genital hamule.

Genitalia: the external organs of generation with all appendages.

Genital lobes: in Odonata, a pair of-backward and downwardly directed processes from the 2d abdominal segment, between which the vesicle of the penis lies.

Genital papilla: in some Smynthurids, a tubercular elevation upon which the genital aperture opens.

Genital spike: the sheath of penis which, in male Diaspinae takes the form of a long mucronate spike.

Genital tuft: in Lepidoptera; an expansible tuft of fine hair believed to be scent-producing.

Genital valve: Odonata; a chitinous piece on each side of the ovipositor, derived from the sternum of abdominal segment 9: probably = outer pair of gonapophyses.

Genoholotype: the species on which a genus is founded, whether unique or one of a series, specifically named as generic type by the author.

Genolectotype: the one species of a series selected as the type of the genus in which the describer of the genus placed it, subsequent to the description.

Genosyntype: one of a series of species upon which a genus is founded, no one species being mentioned as type.

Genus: knee; the joint between femur and tibia.

Genus: an assemblage of species agreeing in some one character or series of characters; usually considered as arbitrary and opinionative, though some consider it a natural assemblage.

Geometrid: larva which, when walking, alternately elevate and straighten the middle of their body: opposed to rectigrade; q.v.

Geodephagous: = adephagous; q.v.

Geodromica: terrestrial Heteroptera in which the antennae are not concealed.

Geophilous: living on the ground: species that live on the surface or come freely into contact with it.

Germanium: an ovary: that portion of an ovarian tube containing the cell elements.

Germ-ball: reproductive cells in larvae from which, exceptionally, young may develop as buds.

Germ-band or Germinal band: that portion of a young embryo which is to become the future insect, when it is in the form of a band or strap and may or may not show the division into the future segments.

Gerontogeic: belonging to the old world: see neogeic.

Gibba: a rounded protuberance or prominence.

Gibbous: hump-backed; protuberant: said of a macula when it resembles a moon more than half full.

Gibbus: when the whole surface forms a hump or obtuse cone.