Morphology of immatures of the thelytokous ant, Monomorium triviale Wheeler (Formicidae: Myrmicinae: Solenopsidini) with descriptions of the extraordinary last-instar queen larvae Author Idogawa, Naoto Laboratory of Insect Ecology, Graduate School of Agriculture, Kyoto University, Kyoto 606 - 8502, Japan. Author Gotoh, Ayako Department of Biology, Faculty of Science and Engineering and Institute for Integrative Neurobiology, Konan University, 8 - 9 - 1 Okamoto, Higashinada-ku, Kobe, 658 - 8501, Japan. Author Dobata, Shigeto Department of General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153 - 8902, Japan. text Zootaxa 2022 2022-03-03 5105 2 253 268 journal article 10.11646/zootaxa.5105.2.5 1175-5326 6332669 710E1F19-60FF-4B0A-AFF2-7D6A7256CB5C

TABLE 1. Morphological and chaetotaxical characteristics in different castes and instars of M. triviale.

Larval instar	Head width (mm)	Body length (mm)	Hair number	Hair type	Protuberances
1st instar	0.122 ± 0.006	0.328 ± 0.036	100–150	simple smooth	absent
	(0.107–0.137)	(0.237–0.416)
2nd instar	0.137 ± 0.006	0.459 ± 0.074	500–600	simple smooth	absent
	(0.124–0.152)	(0.281–0.593)
3rd instar worker	0.175 ± 0.008	0.847 ± 0.192	400–500	anchor-tipped	absent
	(0.146–0.191)	(0.414–1.20)
Last instar queen	0.187 ± 0.013	1.756 ± 0.329	almost hairless	simple smooth	present
	(0.16–0.220)	(0.742–2.291)