Chimarra

Johanson, Kjell Arne & Espeland, Marianne, 2010, Description of new Chimarra (Trichoptera: Philopotamidae) species from the Solomon Islands, Zootaxa 2638, pp. 25-43 : 27-28

publication ID	https://doi.org/ 10.5281/zenodo.198496
DOI	https://doi.org/10.5281/zenodo.6196411
persistent identifier	https://treatment.plazi.org/id/03F23313-FF84-956C-C4E8-0BBBFA01FEE0
treatment provided by	Plazi
scientific name	Chimarra
status

Treatment

Key to males of Chimarra View in CoL from the Solomon Islands

1 Forewings and hind wings each with large, pale, central hyaline field ( Fig. 2 View FIGURES 2 – 10 ) ........................... C. maculata sp. n.

- Forewings and hind wings without hyaline fields ( Figs 3–10 View FIGURES 2 – 10 ).................................................................................. 2

2 (1’) Sternite IX with ventral process ( Figs 11 View FIGURES 11 – 15 , 16 View FIGURES 16 – 20 ) ........................................................................................................... 3

- Sternite IX without ventral process ( Figs 21 View FIGURES 21 – 25 , 26 View FIGURES 26 – 30 , 31 View FIGURES 31 – 35 , 36 View FIGURES 36 – 40 , 41 View FIGURES 41 – 45 , 46 View FIGURES 46 – 50 , 51 View FIGURES 51 – 55 ) ........................................................................ 4

3 (2’) Sternite IX with ventral process much longer than wide ( Fig. 16 View FIGURES 16 – 20 ) ............................................... C. talinensis sp. n.

- Sternite IX with ventral process about as long as wide ( Kimmins, 1957, fig. 5A) ................ C. biramosa View in CoL Kimmins

4 (2’) Inferior appendages 2 or more times longer than broad in lateral view ( Figs 21 View FIGURES 21 – 25 , 26 View FIGURES 26 – 30 , 31 View FIGURES 31 – 35 , 36 View FIGURES 36 – 40 ) .................................. 5

- Inferior appendages less than 2 times as long as broad in lateral view ( Figs 41 View FIGURES 41 – 45 , 46 View FIGURES 46 – 50 , 51 View FIGURES 51 – 55 ) ........................................ 8

5 (4’) Segment IX strongly produced anterad, forming narrow plate in lateral view ( Figs 21 View FIGURES 21 – 25 , 26 View FIGURES 26 – 30 ); inferior appendages slender, nearly straight ( Figs 21 View FIGURES 21 – 25 , 26 View FIGURES 26 – 30 )......................................................................................................................... 6

- Segment IX only slightly produced anterad, forming broad lobes in lateral view ( Figs 31 View FIGURES 31 – 35 , 36 View FIGURES 36 – 40 ); inferior appendages each with basal half broad, distal half slender and bent posterad ( Fig. 31 View FIGURES 31 – 35 , 36 View FIGURES 36 – 40 ) ........................................................ 7

6 (5’) Forewing Rs curved immediately basal of Dc ( Fig. 4 View FIGURES 2 – 10 ); lateral branches of tergum X narrowly separated basally in dorsal view ( Fig. 22 View FIGURES 21 – 25 ); basodorsal projection of phallobase about 1/3rd as long as total length of phallobase ( Fig. 24 View FIGURES 21 – 25 ) ................................................................................................................................................. C. veveensis sp. n.

- Forewing Rs rectangular immediately basal of Dc ( Fig. 5 View FIGURES 2 – 10 ); lateral branches of tergum X widely separated basally in dorsal view ( Fig. 27 View FIGURES 26 – 30 ); basodorsal projection of phallobase about 1/2 as long as total length of phallobase ( Fig. 29 View FIGURES 26 – 30 ) ............................................................................................................................................................................... ............................................................................................................................................. C. kolombangensis sp. n.

7 (5’) Forewing fork 1 originating opposite fork 2 on Dc ( Fig. 6 View FIGURES 2 – 10 ); Rs rounded immediately basal of Dc ( Fig. 6 View FIGURES 2 – 10 ); fork 5 originating basal of origin of Dc ( Fig. 6 View FIGURES 2 – 10 ); inferior appendages crossing above tergum X ( Fig. 32 View FIGURES 31 – 35 ), although position may vary; lateral lobes of tergum X each with prominent lateral branch ( Fig. 32 View FIGURES 31 – 35 ) .................... C. babarensis sp. n.

- Forewing fork 1 originating basally of fork 2 on Dc ( Fig 7 View FIGURES 2 – 10 ); Rs nearly straight immediately basal of Dc ( Fig. 7 View FIGURES 2 – 10 ); fork 5 originating opposite base of Dc ( Fig. 7 View FIGURES 2 – 10 );inferior appendages not crossing above tergum X ( Fig. 37 View FIGURES 36 – 40 ), although position may vary; lateral lobes of tergum X without lateral branches ( Fig. 37 View FIGURES 36 – 40 ) ..... 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 View in CoL Kimmins

- Tergum X forming pair of slender processes in dorsal view, without lateral branches ( Figs 42 View FIGURES 41 – 45 , 47 View FIGURES 46 – 50 , 52 View FIGURES 51 – 55 ) ................ 9

9 (8’) Segment IX higher than long in lateral view ( Fig. 41 View FIGURES 41 – 45 ); inferior appendages apically rounded ( Fig. 41 View FIGURES 41 – 45 ); basodorsal

projection of phallobase more than half as long as total length of phallobase ( Fig. 44 View FIGURES 41 – 45 ); phallobase with posteroventral apex spine-like ( Fig. 44 View FIGURES 41 – 45 ) ...................................................................................................... C. ventrospina sp. n. - Segment IX longer than high in lateral view ( Figs 46 View FIGURES 46 – 50 , 51 View FIGURES 51 – 55 ); inferior appendages apically pointed ( Figs 46 View FIGURES 46 – 50 , 51 View FIGURES 51 – 55 ); basodorsal projection of phallobase half as long as total length of phallobase, or shorter ( Figs 49 View FIGURES 46 – 50 , 54 View FIGURES 51 – 55 ); phallobase without spine-like ventral apex ( Figs 49 View FIGURES 46 – 50 , 54 View FIGURES 51 – 55 ) .......................................................................................................... 10

10 (9’)Inferior appendages triangular in lateral view ( Fig. 46 View FIGURES 46 – 50 )......................................................... C. solomonensis sp. n.

- Inferior appendages nearly quadrangular in lateral view ( Fig. 51 View FIGURES 51 – 55 ) .............................................. C. rosavensis sp. n.