Plectrocnemia bowangi, Wichard & Xu, 2022

Wichard, Wilfried & Xu, Chunpeng, 2022, The family Polycentropodidae (Insecta, Trichoptera) in mid-Cretaceous Burmese Amber, ZooKeys 1134, pp. 171-183 : 171

Plectrocnemia bowangi sp. nov.

Fig. 5

Diagnosis.

The extinct species Plectrocnemia bowangi sp. nov. is characterized by a pair of spoon-like inferior appendages. On the inner side of each of the two spoon-shaped appendages there is a long needle, the tips of which touch each other in about the middle of the genital space.

Etymology.

The fossil species is dedicated to Prof. Dr Bo Wang, Nanjing Institute of Geology and Palaeontology, China, who provided numerous Burmese ambers for taxonomic studies of embedded caddisflies.

Holotype.

♂; Myanmar, Kachin State, Hukawng Valley; exact locality unknown; Mid-Cretaceous Burmese amber inclusion; deposited in the amber collection of the NIGP; NIGP200024.

Description.

Genus as described above. Body well preserved, visible in ventrolateral view; right forewing visible in lateral view. Antennae incomplete, probably antennae about two-thirds as long as forewings. Forewing length about 4 mm. Forewings hyaline, light brown. Hind wing smaller than forewings, hyaline, light brown. Inferior appendages only partially visible in lateral view because covering by basal tarsus of left hind leg.

Figures

Figure 5. Plectrocnemia bowangi sp. nov. A male holotype (NIGP 200024) habitus, dorsal view B inferior appendages, each with a long transverse needle on mesal surface, dorsal view C inferior appendages, in ventral view, covered by left hind leg D drawing of the long needles arising on the mesal surfaces of the inferior appendages, dorsal view E drawing of the pair of spoon-shaped inferior appendages, ventral view. Scale bar: 1 mm.