Research Article |
Corresponding author: Mostafa R. Sharaf ( antsharaf@gmail.com ) Academic editor: Marek Borowiec
© 2015 Mostafa R. Sharaf, Cedric A. Collingwood, Hathal M. Al Dhafer, Mohammed S. Al mutairi, Abdulrahman S. Aldawood.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation:
Sharaf MR, Collingwood CA, Al Dhafer HM, Al mutairi MS, Aldawood AS (2015) New synonyms of two Arabian ants of the genus Monomorium Mayr, 1855 (Hymenoptera, Formicidae). ZooKeys 505: 51-58. https://doi.org/10.3897/zookeys.505.9441
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Synonymy of two Arabian Monomorium Mayr, 1855 species is proposed: M. exiguum Forel, 1894 = M. desertorum Collingwood & Agosti, 1996, syn. n.; M. subopacum Smith, 1858 = M. mintiribe Collingwood & Agosti, 1996, syn. n. A lectotype for M. venustum Smith, 1858 is designated. Information on nesting habits of M. exiguum and M. venustum in the Kingdom of Saudi Arabia are provided for the first time. Recently collected records for M. exiguum, M. subopacum, and M. venustum from the Kingdom of Saudi Arabia and United Arab Emirates are listed.
Arabian Peninsula, Middle East, Saudi Arabia, United Arab Emirates, synonymy, taxonomy, new designation
The first published work on the ant genus Monomorium Mayr, 1855 for the Kingdom of Saudi Arabia (KSA) was by
Recently the Monomorium fauna of KSA has received renewed attention, with the first record of M. exiguum Forel, 1894 (
BMNH The Natural History Museum, London, United Kingdom.
MHNG Museum d’Histoire Naturelle, Geneva, Switzerland.
NHMB Naturhistorisches Museum, Basel, Switzerland.
WMLC World Museum Liverpool, Liverpool, United Kingdom.
The numbers between parentheses in material examined refer to individual workers.
Monomorium exiguum Forel, 1894: 85. (lectotype worker) Ethiopia. Afrotropic. “Ethiopia, Sudabessinien.” (MHNG), http://www.antweb.org/specimen/CASENT0101870 [Image of type specimen examined].
Monomorium desertorum Collingwood & Agosti, 1996: 344 (w.) Saudi Arabia. Afrotropic.” (WMLC), http://www.antweb.org/specimen/CASENT0906343. Syntype worker [examined], Syn. n.
Saudi Arabia, Baha, Dhi Ayn Archeological Village, 18.v.2010, 20.132°, 41.004°, 741m, (M. R. Sharaf, leg.) (21); Saudi Arabia, Riyadh, Oyaina, 28.iv.2010; 25.011°, 46.493°, 749m, (M. R. Sharaf, leg.) (3); Saudi Arabia, Riyadh, Qarina Valley, 5.xi.2009, 25.273°, 46.289°, 761m, (M. R. Sharaf, leg.) (3); Saudi Arabia, Baha, Dhi Ayn Archeological Village, 20.ix.2011, 20.132°, 41.004°, 744m, (M. R. Sharaf, leg.) (10); Saudi Arabia, Almajardah, wadi Khat, 10.xi.2012, 19.001°, 41.016°, 513m, (M. R. Sharaf, leg.) (6); Saudi Arabia, wadi Shahdan (Jizan), 13.xi.2012, 17.472°, 42.856°, 200m, (M. R. Sharaf, leg.) (8); Saudi Arabia, Wadi Aljora near Abadan, 12.xi.2012, 17.005°, 43.001°, 465m, (M. R. Sharaf, leg.) (6); Saudi Arabia, Baha, Wadi Elzaraeb, 9.v.2011, 20.073°, 41.387°, 2086m, (M. R. Sharaf, leg.) (1); Saudi Arabia, Abu Arish, 10.iv.2012, 17.013°, 42.802°, 90m, (M. R. Sharaf, leg.) (6); Saudi Arabia, Dhi Ayn Archeological Village, 11.v.2011, 19.929°, 41.442°, 741m, (M. R. Sharaf, leg.) (3); Saudi Arabia, Baha, Dhi Ayn Archeological Village, 7.iv.2013, 19.929°, 41.442°, 744m, (M. R. Sharaf, leg.) (4); Saudi Arabia, AlUrdiyah gov., Wadi Gonouna, 12.v.2011, 19.429°, 41.605°, 353m, (M. R. Sharaf, leg.) (20); Saudi Arabia, Al Bahah, Wadi Turabah, AlMandaq, 14.v.2011, 20.211°, 41.288°, 1793m, (M. R. Sharaf, leg.) (7); Saudi Arabia, Dhi Ayn Archeological Village, 15.v.2011, 19.929°, 41.442°, 741m, (M. R. Sharaf, leg.) (1); Saudi Arabia, Al Bahah, Wadi Turabah, AlMandaq, 10.v.2011, 20.211°, 41.288°, 1793m, (M. R. Sharaf, leg.) (1); Saudi Arabia, Riyadh, Hawtet Bani Tamim, 20.i.2014, 23.480°, 46.844°, 597m, (M. R. Sharaf, leg.) (3); Saudi Arabia, Al Qatif, El Naft, 23.iii.2012, 26.510°, 49.969°, 30m, (M. R. Sharaf, leg.) (2); UAE, Khor al-Khwair, 25.57.56.03, 8.iii.2007, (M. Hauser et al.) (1); UAE, Sharjah, 25.21.55.24, 28.ii–12.iv.2011, (M. Hauser et al.) (1); UAE, Wadi Bih dam, 25.48.56.04, 16–31.xii.2009, (M. Hauser et al.) (1).
Monomorium exiguum (worker), CASENT0101870. 1 Body in profile 2 Body in dorsal view 3 Head in full-face view 4 specimen label. Photo Zach Lieberman, http://antweb.org/
Only a single paratype specimen with the same data as the holotype exists at WMLC. The holotype and other paratypes are considered lost.
The description of M. desertorum in
The vast majority of M. exiguum nests that were collected in KSA were found to be associated with leaf litter and topsoil layers where workers foraged. Frequently nests were directly in the soil. The nesting habits of M. exiguum however, are diverse. In a site located in the southwestern mountains of the KSA, the species was found nesting in loose sandy soil with high moisture content and among roots of small Portulaca oleracea L. (Portulacaceae) plants beneath a date palm tree, Phoenix dactylifera L. (Arecaceae). Several worker series were nesting in a humid clay soil under banana trees. Other worker series were collected under a rock next to Juniperus procera Hochst. ex Endlicher (Cupressaceae) and Acacia spp. (Mimosaceae) trees. Another nest was found in thick layer of leaf litter under a large and old Ficus benghalensis L. (Moraceae) tree where the soil was rich in decayed organic matter. Some nests were found in leaf litter under Calotropis procera (Aiton) W.T.Aiton (Asclepiadaceae )and next to a mango tree (Mangifera sp., Anacardiaceae).
Myrmica subopaca Smith, 1858: 127 (w.q.) (paralectotype worker, designated by B. E. Heterick, September, 2004) Portugal (Madeira Is.). Afrotropic. “Portugal (Madeira Island), coll. T.V. Wollaston. (BMNH), http://www.antweb.org/specimen/CASENT0010949 [Image of type specimen examined].
Monomorium mintiribe Collingwood & Agosti, 1996: 350, fig. 23 (w.q.m.) Oman. Palearctic. Bilad Ban. 17.i.1986, coll. W. Buttiker. (WMLC), Paratype worker [examined]. Syn. n.
UAE, Ar-Rafah, 25.43.55.52, 1–8.iii.2011, (M. Hauser et al.) (1); UAE, Ar-Rafah, 25.43.55.52, 1.ii–31.iii.2010, (M. Hauser et al.) (1); UAE, Ar-Rafah, 25.18.56.07, 22.vi–2.vii.2010, (M. Hauser et al.) (1); UAE, Jebel Jibir, 25.39.56.07, 11–13.iv.2011, (M. Hauser et al.) (1).
Monomorium subopacum (paralectotype worker), CASENT0010949. 5 Body in profile 6 Body in dorsal view 7 Head in full-face view 8 specimen label Photo April Nobile, http://antweb.org/
The holotype and 10 paratypes of M. mintiribe seem to be lost. Extensive searches at both WMLC and NHMB failed to locate type material except for a single paratype specimen labeled in red at the WMLC. In addition, despite the fact that the label information for the paratype specimen in WMLC does not exactly match the information in
Myrmica venusta Smith, 1858: 126 (w.) (lectotype worker) Syria. Palaearctic. (BMNH “E” 1015257) [new designation].
Saudi Arabia, Al Atawla (Baha-Taif RD), Wadi Bawah, 8.xi.2012, 21.004°, 41.247°, 1310m, (M. R. Sharaf, leg.) (10); Saudi Arabia, Baha, Wadi Elzaraeb, 9.v.2011, 20.073°, 41.387°, 2086m, (M. R. Sharaf, leg.) (3); Saudi Arabia, Riyadh, Dirad, 30.xii.2009, 24.409°, 46.662°, 588m, (M. R. Sharaf, leg.) (6); Saudi Arabia, Al Bahah, Wadi Turabah, AlMandaq, 19.ix.2011, 20.242°, 41.262°, 1751m, (M. R. Sharaf, leg.) (6); Saudi Arabia, Riyadh, Alhota, 19.iv.2008, (M. R. Sharaf, leg.) (7); Saudi Arabia, Riyadh, Wadi Hanifa, 11.iv.2013, 24.671°, 46.595°, 641 (M. R. Sharaf, leg.) (14); Saudi Arabia, Al Bahah, Wadi Turabah, AlMandaq, 10.v.2011, 20.211°, 41.288°, 1751m, (M. R. Sharaf, leg.) (4).
Monomorium venustum (Lectotype worker), CASENT0902221. 9 Body in profile 10 Body in dorsal view 11 Head in full-face view 12 specimen label. Photo Will Ericson, http://antweb.org/
Originally, M. venustum was described based on syntypes of the worker caste from Syria. Here we designate a lectotype with the following data, “M. venusta Smith, type, BMNH (E), 1015257”. The Lectotype is deposited at BMNH.
Workers of M. venustum build nests directly into the ground under stones and rocks, directly into the ground. This species apparently prefers to nest in soil with high moisture content as observed in many locations in KSA. In the southwestern mountains of the KSA, nests were constructed next to Juniperus procera Hochst. ex Endlicher (Cupressaceae) and Acacia spp. (Mimosaceae) trees. In addition, the species is usually foraging in areas with dense green flowering grasses that covering the ground. A single nest was found existing next to Mentha longifolia (L.) Huds. (Lamiaceae). Myrmecophilous arthropods (e.g. small beetles, isopods and millipedes) were found inside some nests.
The project was funded by the National Plan for Science, Technology and Innovation (MAARIFAH), King Abdulaziz City for Science and Technology, Kingdom of Saudi Arabia, award number 12-ENV2484-02. We are grateful to Prince Bandar Bin Saud Al Saud, the Head of the Saudi National Commission for Wildlife Conservation and Development for the generous support during the study. The authors are much grateful to the subject editor Marek Borowiec for his careful editing, Dr. Brian Fisher, Michele Esposito, Zach Lieberman, Estella Ortega, April Nobile, Ryan Perry and Will Ericson (California Academy of Sciences, San Francisco, USA) for photographing the type specimens of ants and making them accessible to researchers. We are indebted to Dr. Boris Kondratieff (Colorado State University) for the valuable suggestions and careful editing. Special thanks to Dr. Stephen Judd (Director, WML), Mr. Tony Hunter (Curator, Entomology, WML), and Isabelle Zürcher-Pfander (Collection manager, NHMB) for facilitating the study of the Arabian type materials. Mostafa Sharaf is particularly most grateful to the following: Suzanne Ryder (BMNH, London) for appreciated help to study type materials, Andrew Polaszek for his kindness and hospitality during the visit to the BMNH and finally to Wolfgang Schawaller and his wife Edith Schawaller for generous hospitality in Stuttgart.