Chimarra
Creators: name: Johanson, Kjell Arne
name: Espeland, Marianne
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Trichoptera
Philopotamidae
Chimarra

description: Key to males of Chimarra from the Solomon Islands
1 Forewings and hind wings each with large, pale, central hyaline field (Fig. 2) ........................... C. maculata sp. n.
- Forewings and hind wings without hyaline fields (Figs 3–10).................................................................................. 2
2 (1’) Sternite IX with ventral process (Figs 11, 16) ........................................................................................................... 3
- Sternite IX without ventral process (Figs 21, 26, 31, 36, 41, 46, 51) ........................................................................ 4
3 (2’) Sternite IX with ventral process much longer than wide (Fig. 16) ............................................... C. talinensis sp. n.
- Sternite IX with ventral process about as long as wide (Kimmins, 1957, fig. 5A) ................ C. biramosa Kimmins
4 (2’) Inferior appendages 2 or more times longer than broad in lateral view (Figs 21, 26, 31, 36) .................................. 5
- Inferior appendages less than 2 times as long as broad in lateral view (Figs 41, 46, 51) ........................................ 8
5 (4’) Segment IX strongly produced anterad, forming narrow plate in lateral view (Figs 21, 26); inferior appendages slender, nearly straight (Figs 21, 26)......................................................................................................................... 6
- Segment IX only slightly produced anterad, forming broad lobes in lateral view (Figs 31, 36); inferior appendages each with basal half broad, distal half slender and bent posterad (Fig. 31, 36) ........................................................ 7
6 (5’) Forewing Rs curved immediately basal of Dc (Fig. 4); lateral branches of tergum X narrowly separated basally in dorsal view (Fig. 22); basodorsal projection of phallobase about 1/3rd as long as total length of phallobase (Fig. 24) ................................................................................................................................................. C. veveensis sp. n.
- Forewing Rs rectangular immediately basal of Dc (Fig. 5); lateral branches of tergum X widely separated basally in dorsal view (Fig. 27); basodorsal projection of phallobase about 1/2 as long as total length of phallobase (Fig. 29) ............................................................................................................................................................................... ............................................................................................................................................. C. kolombangensis sp. n.
7 (5’) Forewing fork 1 originating opposite fork 2 on Dc (Fig. 6); Rs rounded immediately basal of Dc (Fig. 6); fork 5 originating basal of origin of Dc (Fig. 6); inferior appendages crossing above tergum X (Fig. 32), although position may vary; lateral lobes of tergum X each with prominent lateral branch (Fig. 32) .................... C. babarensis sp. n.
- Forewing fork 1 originating basally of fork 2 on Dc (Fig 7); Rs nearly straight immediately basal of Dc (Fig. 7); fork 5 originating opposite base of Dc (Fig. 7);inferior appendages not crossing above tergum X (Fig. 37), although position may vary; lateral lobes of tergum X without lateral branches (Fig. 37) ..... C. vitapinensis sp. n.
8 (4’) Tergum X forming pair of wide, setose triangular lobes in lateral and dorsal views (Kimmins 1957, figs 6A, 6B); each lobe with 2 long, slender, up-curving processes (Kimmins 1957, fig. 6A) .................. C. aureofusca Kimmins
- Tergum X forming pair of slender processes in dorsal view, without lateral branches (Figs 42, 47, 52) ................ 9
9 (8’) Segment IX higher than long in lateral view (Fig. 41); inferior appendages apically rounded (Fig. 41); basodorsal
projection of phallobase more than half as long as total length of phallobase (Fig. 44); phallobase with posteroventral apex spine-like (Fig. 44) ...................................................................................................... C. ventrospina sp. n. - Segment IX longer than high in lateral view (Figs 46, 51); inferior appendages apically pointed (Figs 46, 51); basodorsal projection of phallobase half as long as total length of phallobase, or shorter (Figs 49, 54); phallobase without spine-like ventral apex (Figs 49, 54) .......................................................................................................... 10
10 (9’)Inferior appendages triangular in lateral view (Fig. 46)......................................................... C. solomonensis sp. n.
- Inferior appendages nearly quadrangular in lateral view (Fig. 51) .............................................. C. rosavensis sp. n.
description: Published as part of Johanson, Kjell Arne & Espeland, Marianne, 2010, Description of new Chimarra (Trichoptera: Philopotamidae) species from the Solomon Islands, pp. 25-43 in Zootaxa 2638 on pages 27-28, DOI: 10.5281/zenodo.198496