Scanning electron microscopy of antennal sensilla of ten species of ants

doi:10.14088/j.cnki.issn0439-8114.2025.08.019

Abstract

Abstract: 10 ant species were selected as research subjects, including Odontomachus monticola Emery, Ectomomyrmex javanus Mayr, Dorylus orientalis Westwood, Aphaenogaster schurri Forel, Tetramorium bicarinatum (Nylander), Myrmica margaritae Emery, Technomyrmex antennus Zhou, Chronoxenus dalyi (Forel), Formica lemani Bondroit, and Camponotus pseudolendus Wu et Wang. The antennae of the ants were dried through gradient dehydration, and the sensilla distributed on the scape, pedicel, and flagellum of the antennae were observed, photographed, and identified using a scanning electron microscope. The differences in antennal sensilla among subfamilies and genera were analyzed. The results showed that there were mainly seven types of sensilla on the antennae: Sensilla trichoid (St), sensilla coeloconica (Sco), sensilla chaetica (Sc), sensilla basiconica (Sb), sensilla furcatea (Sf), sensilla squamiformia (Ss), and sensilla gemmiformium (Sg). Among them, sensilla trichoid was the main type on ant antennae, with a wide distribution, large quantity, and three subtypes. There were certain differences in the types and numbers of antennal sensilla among different taxonomic ranks, which could serve as effective characteristics for ant classification.

Key words: Hymenoptera, ants, antennae, sensilla, scanning electron microscope

CLC Number:

Q969.351

YOU Shi-jia, ZHANG Xin-min. Scanning electron microscopy of antennal sensilla of ten species of ants[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(8): 124-130.

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