Myrmecina Curtis 1829
Creators: name: Liu, Cong
name: Fischer, Georg
name: Liu, Qing
name: Peng, Yan-Qiong
name: Economo, Evan P.
name: Guénard, Benoit
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Myrmecina

description: Species synopsis of Chinese Myrmecina Curtis
Myrmecina asiatica Okido, Ogata & Hosoishsi, 2020
Myrmecina asthena Okido, Ogata & Hosoishsi, 2020
Myrmecina curvispina Zhou, Huang & Ma, 2008
Myrmecina eowilsoni Liu sp. nov.
Myrmecina gaoligongensis Liu sp. nov.
Myrmecina guangxiensis Zhou, 2001
Myrmecina hamula Zhou, Huang & Ma, 2008
Myrmecina pauca Huang, Huang & Zhou, 2008
Myrmecina pierceae Liu sp. nov.
Myrmecina raviwonghei Jaitrong, Samung, Waengsothorn & Okido, 2019
Myrmecina sauteri Forel, 1912
Myrmecina sinensis Wheeler, W.M., 1921
Myrmecina striata Emery, 1889
Myrmecina taiwana Terayama, 1985
Updated key to Myrmecina species from China based on worker caste
The updated identification key to the Chinese species is collated and modified from the original Chinese key (Zhou et al. 2008) and the recent key to Southeast Asian species (Okido et al. 2020).
1. Antennae with 11 segments............................................................... Myrmecina pauca
- Antennae with 12 segments............................................................................. 2
2. Lateral portions of clypeus raised into a sharp ridge or shield wall in front of the antennal insertions (Figure 1A, B)....... 3
- Lateral portions of clypeus not raised into a sharp ridge or shield wall in front of the antennal insertions (Figure 1C, D).... 4 3. Postpetiole expanded laterally, more than 2 times broader than petiole................... Myrmecina eowilsoni sp. nov.
- Postpetiole not expanded laterally, slightly broader than petiole............................. Myrmecina guangxiensis
4. Propodeal spines not straight in dorsal view (Figure 2B, C).................................................... 5
- Propodeal spines straight, not curved outwards at the apex in dorsal view (Figure 2A)............................... 6
5. Propodeal spines distinctly curved outwards at the apex in dorsal view (Figure 2B)............... Myrmecina curvispina
- Propodeal spines with small hooks at their apex (Figure 2C)................................... Myrmecina hamula 6. First gastral tergum with dense punctation............................................. Myrmecina raviwonghei
- First gastral tergum smooth and shiny..................................................................... 7
7. Ventrolateral portion of head with punctures, without longitudinal rugae.......................................... 8
- Ventrolateral portion of head with only longitudinal rugae, or smooth and shiny.................................... 9
8. Head in full-face view with dense punctation, and clearly visible longitudinal rugae medially. Anterior margin of clypeus weakly concave to almost straight........................................... Myrmecina gaoligongensis sp. nov.
- Head in full-face view with dense punctation, without longitudinal rugae medially, but with weak irregular rugae laterally. Anterior margin of clypeus strongly concave with three distinct processes......................... Myrmecina asthena
9. Anterior clypeal margin without median process............................................................ 10
- Anterior clypeal margin with median process.............................................................. 12
10. Eye small, comprising less than 10 ommatidia (7-8); body yellowish orange or yellow............... Myrmecina taiwana
- Eye moderately large, with more than 10 ommatidia, body dark brown or black................................... 11
11. Ventrolateral portion of head sculptured with longitudinally rugose.............................. Myrmecina sinensis
- Ventrolateral portion of head smooth and shiny............................................... Myrmecina sauteri
12. Eye large and oval, comprising more than 20 ommatidia....................................... Myrmecina striata
- Eye small and circle, comprising 10 ommatidia or less...................................................... 13
13. Head in full-face view sculptured with longitudinal rugae posteriorly curving towards occipital corners, ventrolateral portion of head smooth and shiny......................................................... Myrmecina pierceae sp. nov.
- Head in full-face view with straight to weakly oblique longitudinal rugae not curving towards the occipital corners, ventrolateral portion of head with longitudinal rugae..................................................... Myrmecina asiatica
description: Published as part of Liu, Cong, Fischer, Georg, Liu, Qing, Peng, Yan-Qiong, Economo, Evan P. & Guénard, Benoit, 2022, Updating the taxonomy of the ant genus Myrmecina (Hymenoptera, Formicidae) in China with descriptions of three new species, pp. 152-164 in Zootaxa 5182 (2) on pages 154-156, DOI: 10.11646/zootaxa.5182.2.2, http://zenodo.org/record/7049481