Hercostomus brevidigitalis Zhang, Yang & Grootaert 2008
Creators
- 1. Princess Maha Chakri Sirindhorn Natural History Museum (PSUNHM), Prince of Songkla University, Kho Hong, Hat Yai, Songkhla, Thailand, 90110
- 2. National Biodiversity Centre, NParks, Singapore; Lee Kong Chian Natural History Museum, National University of Singapore; Department of Entomology, Royal Belgian Institute of Natural Sciences, Vautierstraat 29, B- 1000 Brussels, Belgium & Princess Maha Chakri Sirindhorn Natural History Museum (PSUNHM), Prince of Songkla University, Kho Hong, Hat Yai, Songkhla, Thailand, 90110
Description
Hercostomus brevidigitalis Zhang, Yang & Grootaert, 2008 (New record)
(Figs 10–12)
Material examined. THAILAND: Satun Province, 1 ♂, 2 ♀, Kamphaeng District, Ban Laemson (6°56’27.9”N 99°42’12.4”E), sweep netting, 4. V.2015, coll. A. Samoh; 3 ♂, 1 ♀, Langu District, Pakbara (6°50’30.4”N 99°46’32.9”E), sweep netting, 29.IV.2015, coll. A. Samoh. Krabi Province, 2 ♂, 1 ♀, Khlong Thom District, Ban Ramard (7°42’17.4”N 99°03’48.4”E), sweep netting, 26.IV.2015. Phang Nga Province, 3 ♂, 1 ♀, Takuapa District, Ban Bang Yai (8°54’27.5”N 98°23’59.6”E), sweep netting, 11.II.2015, coll. A. Samoh. SINGAPORE: 3,164 specimens were collected from mangroves all around Singapore, 906 specimens have been NGS-barcoded and are deposited at LKCNHM.
Remarks. This is a small to medium-sized species (body length 3.2–3.6 mm, wing length 3.2– 3.5 mm). First flagellomere elongate, 2.3 times as long as wide. All coxae black; femora black except tip of fore and mid femora. The hind femur bears two long ventral bristles near base. Squama yellow with black hairs. Male genitalia very long, reaching thorax. Cercus with only 3 black apical squamiform setae (Fig. 10).
The genetic difference of H. brevidigitalis between South-Thailand and Singapore is nearly 2%, but no morphological differences have been seen.
Distribution. THAILAND: Krabi, Phang Nga, and Satun (Fig. 7). SINGAPORE: One of the most common and abundant species.
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Collection code
- LKCNHM
- Event date
- 2015-02-11 , 2015-04-26 , 2015-04-29
- Family
- Dolichopodidae
- Genus
- Hercostomus
- Kingdom
- Animalia
- Order
- Diptera
- Phylum
- Arthropoda
- Scientific name authorship
- Zhang, Yang & Grootaert
- Species
- brevidigitalis
- Taxon rank
- species
- Verbatim event date
- 2015-02-11 , 2015-04-26 , 2015-04-29
- Taxonomic concept label
- Hercostomus brevidigitalis Zhang, 2008 sec. Samoh & Grootaert, 2024
References
- Zhang, L. L., Yang, D. & Grootaert, P. (2008) Mangrove Hercostomus sensu lato (Diptera: Dolichopodidae) of Singapore. The Raffles Bulletin of Zoology, 56, 17 - 28.