Prodasineura autumnalis (Fraser, 1922)

Phan, Quoc Toan & Ngo, Quoc Phu, 2020, A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species, European Journal of Taxonomy 650, pp. 1-27 : 2-4

Prodasineura autumnalis (Fraser, 1922)

Figs 1 A–G, 5 A–B, 16 B–D, 17

Material examined

VIETNAM – Quang Nam Province • 1 ♂, 1 ♀; Tay Giang District, Bhalee Commune ; 27 May 2015; Q.T. Phan leg.; ZCDTU 2015052715-ODO • 2 ♂♂, 2 ♀♀; same collection data as for preceding; 28 Apr. 2018; Q.T. Phan leg.; ZCDTU 2018042817-ODO . – Binh Thuan Province • 2 ♂♂; Ham Thuan Bac District, Dong Tien Commune ; 10 Oct. 2015; Dang Ngoc Van leg.; ZCDTU 201510102-ODO . – Lam Dong Province • 2 ♀♀; Bao Loc District ; 11 Mar. 2016; Q.T. Phan leg.; ZCDTU 2016031107-ODO . – Quang Binh Province • 3 ♂♂, 1 ♀; Minh Hoa District, Tan Hoa Commune ; 14 Apr. 2016; Q.T. Phan leg.; ZCDTU 2016041415-ODO . – Da Nang City • 1 ♂, 1 ♀; Lien Chieu District, Lang Van ; 21 Feb. 2017; Q.T. Phan leg.; ZCDTU 2017022101-ODO . – Dak Lak Province • 5 ♂♂, 3 ♀♀; Chu Yang Sin National Park ; 30 Apr. 2017; Hoang Quang Duy leg.; ZCDTU 2017043021-ODO . – Nghe An Province • 2 ♂♂; Con Cuong District, Mon Son Commune ; 12 May 2019; Q.T. Phan leg.; ZCDTU 2019051234- ODO .

Diagnosis

Male characterized by black body with some pale markings on mesepisterum, metepimeron of synthorax ( Fig. 1 A–B) which disappear when reaching maturity; abdomen, appendages entirely black ( Fig. 1 C–D). Females similar to other species of genus in appearance. Prothorax black with two lateral yellow stripes extending to lateral margin of posterior pronotal lobe ( Fig. 1E ). Posterior pronotal lobe of prothorax strongly curved upward in lateral view, posteriorly bearing two converging processes ( Fig. 5A ). Abdomen black except for thin lateral whitish stripe running from S1 to S9 ( Fig. 1G ).

Distribution

Vietnam ( Fig. 17 ): Cao Bang (Na Hang, Kim Dong and Thach An), Lang Son (Huu Lien Nature Reserve and Mau Son Mountain), Yen Bai (Tu Le), Bac Kan, Bac Giang, Phu Tho (Xuan Son National Park), Thai Nguyen, Vinh Phuc (Tay Thien and Tam Dao National Park), Hanoi (Ao Vua and Ba Vi National Park), Ninh Binh (Cuc Phuong National Park), Nghe An (Pu Mat National Park), Ha Tinh (Hong Linh Town, Huong Son and Huong Khe Districs), Quang Binh (Truong Xuan District), Quang Tri, Thua Thien-Hue (Bach Ma National Park and A Luoi Nature Reserve), Quang Nam (Cu Lao Cham Islands, Tay Giang and Nam Giang Districs), Da Nang (Ba Na and Son Tra Nature Reserves), Gia Lai (K’Bang District), Kon Tum (Chu Mom Ray National Park), Dak Lak (Chu Yang Sin National Park), Lam Dong (Bao Loc, Da Lat and Bidoup-Nui Ba National Park), Khanh Hoa (Hon Ba Nature Reserve), Dong Nai (Dinh Quan District), Binh Duong (Vo Dat), Binh Phuoc (Bu Gia Map National Park) and Tay Ninh (Ba Den mountain) Provinces ( Do & Dang 2007; T. Kompier pers. comm.; this study).

Figures

Fig. 1. Prodasineura autumnalis (Fraser, 1922), ZCDTU 2017043021-ODO. A. ♂, head and thorax, lateral view. B. ♀, head and thorax, lateral view. C. Appendages, dorsal view. D. Appendages, lateral view. E. ♀, prothorax, dorsal view. F. Genital ligula, oblique-ventral view. G. ♀, tip of abdomen, lateral view. Images not to scale.

Fig. 5. Posterior pronotal lobe of prothorax of Prodasineura Cowley, 1934 spp., females. A–B. P. autumnalis (Fraser, 1922), lateral and dorsal views. C. P. doisuthepensis Hoess, 2007, dorsal view. D–E. P. coerulescens (Fraser, 1932), lateral and dorsal views. F. P. hoffmanni Kosterin, 2015, dorsal view. (Fig. 5C, F is modified from Kosterin 2015: fig. 3c–d). Images not to scale.

Fig. 16. Habitat of Prodasineura Cowley, 1934 spp. in Vietnam. A. Gia Trang stream in Chu Mom Ray National Park, home of P. doisuthepensis Hoess, 2007 and P. verticalis Selys, 1860. B. Typical stream where P. lancastrei sp. nov., P. autumnalis (Fraser, 1922) and P. croconota Ris, 1916 occur, in Pu Mat National Park. C. Open limestone stream in Tan Hoa Commune, Minh Hoa District of Quang Binh Province with three species: P. autumnalis, P. kong sp. nov. and P. coerulescens (Fraser, 1932) coexisting. D. Habitat of P. hoffmanni Kosterin, 2015 and P. autumnalis in Mang Canh, Kon Plong District of Kon Tum Province.

Fig. 17. Distribution map of Prodasineura Cowley, 1934 spp. in Vietnam (blue group species including the blackish P. autumnalis (Fraser, 1922)). (●) P. autumnalis. (●) P. coerulescens (Fraser, 1932). (●) P. doisuthepensis Hoess, 2007. (●) P. hoffmanni Kosterin, 2015.