Genus Macrognathotermes · 长颚白蚁属
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Distribution map
About the genus
This genus belongs to the family Termitidae 白蚁科, in the subfamily Termitinae 白蚁亚科; the site records 4 species.
Type species: Macrognathotermes errator.
This page includes a distribution map for the genus (GBIF records aggregated on a 1° grid); open a species entry to see its type locality, distribution, and references.
Etymology
From Greek makros (large) + gnathos (jaw) + Latin termes.
The etymologies in this section are analytical breakdowns; the roots follow Brown (1956).
Morphology
The descriptions below are an adaptation of the original genus-level accounts; terms follow the meaning of the source, and the original is not transcribed verbatim.
Diagnostic characters
Soldier with well-developed frontal tubercles; lateral tubercles usually present, sometimes reduced or absent; mandibles very long and slender; postmentum projecting only slightly below the lower margin of the head capsule; antennae 14-segmented; tibial spur formula 2:2:2. Worker monomorphic, the left mandible index greater than 1.5 and often greater than 2.0; enteric valve cushions alternating in size, slightly asymmetrical and densely covered with small spines; hindgut P1 enlarged, P3 divided into posterior and anterior portions of equal size.
Soldier
Frontal tubercles well developed; lateral tubercles usually present, sometimes reduced or absent; mandibles extremely long and slender; postmentum projecting only slightly below the lower margin of the head capsule; antennae 14-segmented; tibial spur formula 2:2:2.
Worker
Monomorphic. Left mandible index greater than 1.5, often greater than 2.0; enteric valve cushions alternating in size and slightly asymmetrical, with numerous small spines; hindgut P1 enlarged, P3 divided into a posterior and an anterior portion, the two nearly equal in size.
Sources: Bourguignon T.; Leponce M.; Roisin Y. 2008. Revision of the Termitinae with snapping soldiers (Isoptera: Termitidae) from New Guinea. Zootaxa 1769: 1–34., p. 13 This text is an adaptation, not a verbatim transcription of the original.
Species (4)
Parent level: Checklist index · Termitinae 白蚁亚科 · Data & downloads