First record of <i>Ereymatermes rotundiceps</i> (Termitidae: Nasutitermitinae) as inquiline of <i>Embiratermes neotenicus</i> (Termitidae: Syntermitinae) in the Colombian Amazon

DURAN-BAUTISTA, Ervin Humprey; BERMUDEZ, María Fernanda; CELIS-DAZA, Fernando

doi:10.1590/1809-4392202201031

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Biodiversity and Conservation • Acta Amaz. 52 (3) • Jul-Sep 2022 • https://doi.org/10.1590/1809-4392202201031 copy

First record of Ereymatermes rotundiceps (Termitidae: Nasutitermitinae) as inquiline of Embiratermes neotenicus (Termitidae: Syntermitinae) in the Colombian Amazon

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

We report, for the first time, the presence of the termite Ereymatermes rotundiceps Constantino, 1991 as an inquiline of the termite Embiratermes neotenicus (Holmgren, 1906) in the Colombian Amazon, and provide new morphometric information on the species. Soldiers of E. rotundiceps were collected in epigeal nests built by E. neotenicus in pastures during the transition from the dry to the rainy season. The association between host and inquiline termites does not seem to be antagonistic, but the relationship between these two species still needs to be clarified.

KEYWORDS:
Nasutitermitinae; mounds; Syntermitinae; livestock system; termites

Morphological trait	Mean	Standard deviation	Minimum	Maximum	Original measurements
Ereymatermes rotundiceps
Total length (mm)	4.0	0.10	3.93	4.24	Not provided
Head length to post-clypeus apex (mm)	0.98	0.05	0.92	1.08	0.92 - 1.00
Head length with nasus (mm)	1.46	0.07	1.39	1.54	1.54 - 1.62
Head width (mm)	0.86	0.04	0.77	0.92	0.88 - 0.96
Pronotum width (mm)	0.43	0.03	0.36	0.46	0.46 - 0.48
Hind tibia length (mm)	0.80	0.02	0.78	0.83	0.81
Head length with nasus to head width	1.72	0.12	1.50	1.90	1.69 - 1.80
Head length without nasus to head width	1.15	0.07	1.08	1.27	1.04 - 1.09
Nasus length to head length without nasus	0.49	0.10	0.29	0.58	0.62 - 0.69
Nasus length (mm)	0.48	0.08	0.31	0.54	Not provided
Embiratermes neotenicus
Total length (mm)	5.25	0.48	4.33	5.86	5.00 - 6.50
Head length with nasus (mm)	2.36	0.10	2.23	2.47	2.30
Head length to mandible lateral base (mm)	1.28	0.12	1.05	1.40	Not provided
Head width (mm)	1.32	0.08	1.20	1.44	1.26
Head height (mm)	1.06	0.08	0.95	1.25	Not provided
Pronotum width (mm)	0.76	0.05	0.7	0.8	0.75 - 0.77
Hind tibia length (mm)	0.82	0.11	0.65	0.98	1.12
Nasus length (mm)	0.78	0.05	0.69	0.86	0.85

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[1] * Corresponding author: ervinduranb@gmail.com