The damselfly genus Mecistogaster (Odonata: Pseudostigmatidae) from the Brazilian Atlantic Forest with a description of three new species and a neotype designation for M. amalia (Burmeister, 1839)
Author
Soldati Lacerda, Déborah S.
Author
Monteiro Machado, Angelo B.
text
Zootaxa
2019
2019-09-10
4668
2
207
228
journal article
25488
10.11646/zootaxa.4668.2.3
49eab955-d6ae-4253-bae3-ab650f77fcfc
1175-5326
3449229
F41E013A-A2B0-4642-AED6-27777DA950B5
Mecistogaster
Rambur, 1842
Preia
Gistl, 1848
Goniostigma
Kennedy, 1920
Haplostigma
Kennedy, 1920
Xanthostigma
Kennedy, 1920
Diagnosis.
Large to very large
Pseudostigmatidae
. Wings long and narrow, stalked before nodus; pseudostigma present. RP2 vein branching from RP1 vein at less than half the distance from subnodus to tip of wing. One cell row between CuA and anal margin. Quadrangle free. Tarsal claw with a conspicuous supplementary tooth. Penis with inner fold; segment 3 forming a long whip-like flagellum. Male cercus in lateral view linear and curved medially. Male and female paraprocts vestigial; ovipositor not surpassing the distal margin of S10. Length of HW
47–70 mm
, abdomen
70
–
140 mm
.