Ethmostigmus trigonepoda trigonepoda, antennae, coxopleura, leg, femoral spinous processes, forcipular coxosternite, prefemoral spinous processes, second maxilla, ultimate leg, distomesal prefemoral spinous process, femoral spinous process, prefemoral spi

Diagnostic description:

Species concept: Morphological Species Concept

Taxonomic name:

Ethmostigmus trigonepoda trigonepoda (Taxonomy), antennae (Morphology), coxopleura (Morphology), leg (Morphology), femoral spinous processes (Morphology), forcipular coxosternite (Morphology), prefemoral spinous processes (Morphology), second maxilla (Morphology), ultimate leg (Morphology), distomesal prefemoral spinous process (Morphology), femoral spinous process (Morphology), prefemoral spinous process (Morphology), second maxillary claw (Morphology)