Keilbachia
Creators: name: Vilkamaa, Pekka
name: Komarova, Lyudmila A.
name: Hippa, Heikki
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Sciaridae
Keilbachia

description: Key to the species of Keilbachia
1. Gonostylus with 2 or more large mesial megasetae arising from common basal body 2
­ Gonostylus with only 1 large mesial megaseta arising from basal body ...................... 3
2. Gonostylus with 2 mesial megasetae arising from common basal body......................... ....................................................................................................... biflagrispina Mohrig
­ Gonostylus with 6 mesial megasetae arising from common basal body. flagria Mohrig
3. Ventral side of gonocoxite at least slightly lobe­like and produced at apicomesial angle, (Menzel & Mohrig 2000: Figs. 322, 325; Menzel & Martens 1995: Fig. 16); gonostylus with elongated mesial seta, distinctly longer than other mesial setae......... 4
­ Ventral side of gonocoxite at apicomesial angle simple, not lobe­like and produced; gonostylus without elongated mesial seta (Figs. 5–9) .................................................. 5
4. Ventral apicomesial lobe of gonocoxite prominent; large mesial megaseta on middle of gonostylus; elongated apicomesial seta long, much longer than mesial large megaseta; antennal flagellomeres, palpomeres, tibiae, and tarsi unusually elongated .................... ........................................................................................................... nepalensis Mohrig
­ Ventral apicomesial lobe of gonocoxite small; large mesial megaseta on basal half of gonostylus; elongated mesial seta short, about as long as large mesial megaseta; antennal flagellomeres, palpomeres, tibiae, and tarsi normal........................ hamata Menzel
5. Gonostylus with subapical megasetae (Figs. 5–9) ........................................................ 7
­ Gonostylus without subapical megasetae......................................................................6
6. Maxillary palp without sensory pit; tegmen broadest subapically, with sharp apicolateral shoulders ..................................................................................... acerspina Mohrig
­ Maxillary palp with sensory pit; tegmen broadest basolaterally, without sharp apicolateral shoulders. ...................................................................................... indigena Mohrig
7. Subapical megasetae of gonostylus stout (e.g. Figs. 5, 7–9)......................................... 8
­ Subapical megasetae of gonostylus slender (Fig. 6). ................................ arrecta sp. n.
8. Large mesial megaseta of gonostylus short, shorter than maximal width of gonostylus; tegmen unmodified, with straight lateral sides (Fig. 5 A, B) .................... apprima sp. n.
­ Large mesial megaseta of gonostylus long, at least as long as maximal width of gonostylus; tegmen modified, with curved or complex lateral sides (Figs. 6–9).................. 9
9. Subapical megasetae of gonostylus close to each other, both at apical fourth of gonostylus (Figs. 6–9). ........................................................................................................ 10
­ Subapical megasetae of gonostylus wider apart, basalmost one at apical third of gonostylus ............................................................................. sasakawai (Mohrig & Menzel)
10. Subapical megasetae of gonostylus subequal in size .................................................. 11
­ Apicalmost subapical megaseta of gonostylus much larger than other........................... ............................................................................................ ferrata (Hippa & Vilkamaa)
11. Basal body of large mesial megaseta of gonostylus with apical lobe (Fig. 9) ............ 17
­ Basal body of large mesial megaseta of gonostylus without apical lobe (Figs. 5–8).. 12
12. Basal body of large mesial megaseta of gonostylus long, at least 3 times as long as wide (Fig. 8). ............................................................................................................... 16
­ Basal body of large mesial megaseta of gonostylus at most 2 times as long as wide (Figs. 5, 7) ................................................................................................................... 13
13. Tegmen modified, slightly broader subbasally than subapically, with apicolateral roundish shoulders, sockets of subbasal megasetae of gonostylus about as long as megasetae themselves ........................................................................ tenerrima Menzel
­ Tegmen simple, much broader subbasally than subapically, without apicolateral roundish shoulders, sockets of subbasal megasetae of gonostylus much shorter than megasetae themselves (Figs. 5 C, 6A, D, 7A, C)..................................................................... 14
14. Mesial megaseta short and slightly curved (Fig. 5 D) ................................ demissa sp. n.
­ Mesial megaseta of gonostylus long and strongly curved (e.g. Fig. 7 B, D) ............... 15
15. Basal body of mesial megaseta of gonostylus uniformly broad (Fig. 7 B). scutica sp. n.
­ Basal body of mesial megaseta of gonostylus narrowed basally (Fig. 7 D) .................... .......................................................................................................... flagrispina Mohrig
16. Distance between 2 subapical megasetae of gonostylus wider than length of megaseta (Fig. 8 B) .................................................................................................. tenuicula sp. n.
­ Distance between 2 subapical megasetae of gonostylus almost as wide as length of megaseta (Fig. 8 D) ......................................................................................... mira sp. n.
17. Apical lobe of basal body of mesial megaseta rounded and broad (Fig. 9 B) ................. ................................................................................................................... arcuata sp. n.
­ Apical projection of basal body of mesial megaseta pointed and narrow (Fig. 9 E) ....... .................................................................................................................. aculeata sp. n.
description: Published as part of Vilkamaa, Pekka, Komarova, Lyudmila A. & Hippa, Heikki, 2006, The genus Keilbachia Mohrig (Diptera: Sciaridae) in a biodiversity hot spot: new sympatric species from Kambaiti, Burma, pp. 39-55 in Zootaxa 1123 on pages 40-42, DOI: 10.5281/zenodo.171760