antennal scape
ant morphology
ant morphology
Some morphological terms associated with the head and face.
scapes surpass posterior eye margin
scapes surpass posterior eye margin
The antennal scapes, when arranged along the anteroposterior axis of the head, extend beyond the posterior head margin. Used in Antkey to separate Hypoponera opaciceps and Pachycondyla species from Hypoponera punctatissima, Hypoponera ragusai and Hypoponera zwaluwenburgi.
scapes do not surpass posterior head margin
scapes do not surpass posterior head margin
The antennal scapes, when arranged along the anteroposterior axis of the head, do not reach the posterior head margin. Used in Antkey to separate Hypoponera punctatissima, Hypoponera ragusai and Hypoponera zwaluwenburgi from Hypoponera opaciceps and Pachycondyla species.
scapes do not surpass posterior head margin
scapes do not surpass posterior head margin
Antennal scapes, when arranged along the anteroposterior axis of the head, do not reach its posterior margin.
scapes surpass posterior eye margin
scapes surpass posterior eye margin
Antennal scapes, when arranged along the anteroposterior axis of the head, easily surpass posterior margin of eye. Separates all the species of Myrmicinae in Antkey from those of Cerapachyinae.
scapes surpass posterior head margin
scapes surpass posterior head margin
Antennal scapes exceed posterior head margin by a distance greater than half eye length. Separates Plagiolepis alluaudi and Plagiolepis pygmae from Plagiolepis exigua.
scapes surpass posterior head margin
scapes surpass posterior head margin
Antennal scapes, when arranged along the anteroposterior axis of the head, reach or exceed its posterior margin.
scapes barely or do not surpass eyes
scapes barely or do not surpass eyes
Antennal scapes, when arranged along the anteroposterior axis of the head, barely surpass or do not surpass posterior margin of eye. In Antkey, separate all the species of Cerapachyinae from those of Myrmicinae.
scapes do not surpass margin
scapes do not surpass margin
Antennal scapes do not exceed posterior head margin by a distance greater than half eye length. Separates Plagiolepis exigua from Plagiolepis alluaudi and Plagiolepis pygmae.
< 10 erect scape hairs
< 10 erect scape hairs
Antennal scapes with less than 10 erect hairs. The hairs may be also be semierect, but are distinguished from the more common appressed pilosity. Separates Nylanderia guatemalensis and Nylanderia vaga from Nylanderia flavipes, Nylanderia terricola and Nylanderia vividula.