Guapinannus Wygodzinsky 1951
Creators: name: Frankenberg, Sarah
name: Knyshov, Alexander
name: Hoey-Chamberlain, Rochelle
name: Weirauch, Christiane
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Dipsocoridae
Guapinannus

description: Key to species of Guapinannus
Measurements are based on male specimens, except for G. minutus, sp. n., G. dispar, sp. n. and Guapinannus bierigi Wygodzinsky where only female specimens are known.
1 Body length less than 1 mm ............................................................................. 2
- Body length more than 1 mm ............................................................................ 3
2 scc on forewing divided by sinuous, transverse vein (Fig. 2).............................. Guapinannus dispar, sp. n.
- scc on forewing without sinuous, transverse vein....................................... Guapinannus tergus, sp. n.
3 Body length about 2 mm ........................................................... Guapinannus tenuis, sp. n.
- Body length between 1 and ~ 1.5 mm ...................................................................... 4
4 Scutellum with tip slightly inflated (Fig. 3, G. minutus, sp. n.).................................................. 5
- Scutellum with tip pointed.............................................................................. 6
5 Body length ~ 1.1 mm, proximal part of Cu well-defined................................ Guapinannus minutus, sp. n.
- Body length ~ 1.5 mm, proximal part of Cu not well defined............................ Guapinannus tatumbia, sp. n.
6 Part of An1 and Cu forming posterodistal margin of tc more pronounced than other veins (Fig. 2, G. falcis, sp. n.)........ 7
- Part of An1 and Cu forming posterodistal margin of tc similar to other veins....................................... 8
7 cub close to wing margin (Fig. 2, G. falcis, sp. n.)....................................... Guapinannus falcis, sp. n.
- cub removed from wing margin (Fig. 1B)....................................... Guapinannus bierigi Wygodzinsky
8 Anophoric process of male genitalia with more than one tip (Fig. 7, G. plurilobus, sp. n., and G. trilobus, sp. n.)......... 9
- Anophoric process of male genitalia absent or with single tip.................................................. 10
9 Anophoric process with combination of blunt and pointed tips.......................... Guapinannus plurilobus, sp. n.
- Anophoric process with multiple pointed tips......................................... Guapinannus trilobus, sp. n.
10 Pygophore with large lobe on right side............................................. Guapinannus auriculus, sp. n.
- Pygophore without or with small lobe on right side.......................................................... 11
11 Apex of vesica hook-shaped......................................................... Guapinannus uncus, sp. n.
- Apex of vesica straight, curved, or sinuous................................................................ 12
12 Body length less than ~ 1.2 mm ......................................................................... 13
- Body length more than ~ 1.25 mm ....................................................................... 14
13 C+Sc margin very broad, rc about 4 times as long as wide............................... Guapinannus graziae, sp. n.
- C+Sc margin broad, rc about 3 times as long as wide.................................... Guapinannus policis, sp. n.
14 Vesica with blunt, expanded tip.................................................. Guapinannus anaticulus, sp. n.
- Vesica with acute or rounded tip........................................................................ 15
15 Anophoric process long and thin, vesica short, about half loop.............................. Guapinannus clava, sp. n.
- Anophoric process absent or short, vesica longer than half loop................................................ 16
16 Vesica heavy set, with blunt, rounded tip............................................. Guapinannus robustus, sp. n.
- Vesica slender, with acute tip........................................................................... 17
17 Vesica close to tip slightly s-shaped................................................ Guapinannus sinuosus, sp. n.
- Vesica semi-circular.................................................................................. 18
18 Anophoric process absent, ~ 1.5 mm body length.................................... Guapinannus castigatus, sp. n.
- Anophoric process present, 1.25–1.3 mm body length....................................................... 19
19 Anophoric process short and slender, vesica slender................................. Guapinannus orbiculatus, sp. n.
- Anophoric process short and broad, vesica relatively thick................................. Guapinannus artus, sp. n.
description: Published as part of Frankenberg, Sarah, Knyshov, Alexander, Hoey-Chamberlain, Rochelle & Weirauch, Christiane, 2021, Taxonomic revision of Guapinannus Wygodzinsky, 1951 (Hemiptera: Schizopteridae), with description of 19 new species, pp. 261-286 in Zootaxa 4958 (1) on page 266, DOI: 10.11646/zootaxa.4958.1.14, http://zenodo.org/record/4691718