Diplosmittia Saether 1981
Creators: name: Dantas, Galileu P. S.
name: Amat, Eduardo
name: Hamada, Neusa
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Diplosmittia

description: Key to the males of Diplosmittia Saether
[Adapted from Pinho et al. (2009)]
1. Costa not or barely extended (shorter than RM); USA, Mexico, Costa Rica, St. Lucia, St. Vincent, Venezuela and Colombia (Saether 1981, Figure 13)................................................................ D. harrisoni Saether
- Costal extension well developed......................................................................... 2
2. Gonostylus with three lobes; Brazil (Shimabukuro et al. 2020, Figures 2D–E)...... D. trifida Shimabukuro, Lamas & Pinho
- Gonostylus with two lobes.............................................................................. 3
3. Anal point crested..................................................................................... 4
- Anal point not crested.................................................................................. 7
4. Virga at least as long as gonostylus, with slightly to strongly bulbous base........................................ 5
- Virga comparatively short, with sclerotized base and posterior spines............................................ 6
5. Main lobe of gonostylus truncated fist-shaped, crista dorsalis inconspicuous; Costa Rica (Andersen 1996, Figures 1 –4)......................................................................................... D. beluina Andersen
- Main lobe of gonostylus not truncated; crista dorsalis more prominent; Peru, Venezuela (Saether 1988, Figure 1; Pinho et al. 2009, Figure 7).......................................................................... D. recisus Saether
6. Basal lobe of gonostylus enlarged distally, with apical digitiform projection; Venezuela (Pinho et al. 2009, Figure 5)........................................................................... D. cerayma Pinho, Mendes & Andersen
- Basal lobe of gonostylus not enlarged distally, with rounded apex; Venezuela (Pinho et al. 2009, Figure 3)..................................................................................... D. aragua Pinho, Mendes & Andersen
7. Virga clearly shorter than one-third phallapodeme length, without bulbous base.................................... 8
- Virga longer than one-third phallapodeme length, with bulbous base............................................. 9
8. Inferior volsella absent; Costa Rica (Andersen 1996, Figure 9)................................. D. forficata Andersen
- Inferior volsella distinct; Brazil (Figures 2C and 3A)......................................... D. dracomaris sp. n.
9. At most the tip of the anal point projecting beyond posterior margin tergite IX; Brazil, Venezuela (Pinho et al. 2009, Figure 6D)............................................................... D. plaumanni Pinho, Mendes & Andersen
- Anal point projecting well beyond posterior margin of tergite IX............................................... 10
10. Anal point parallel sided; Dominican Republic (Wiedenbrug & Silva 2016, Figure 1D).... D. caribensis Wiedenbrug & Silva
- Anal point triangular; Brazil (Pinho et al. 2009, Figure 4D)..................... D. boraceia Pinho, Mendes & Andersen
description: Published as part of Dantas, Galileu P. S., Amat, Eduardo & Hamada, Neusa, 2024, New species and record of Diplosmittia Saether, 1981 (Diptera: Chironomidae, Orthocladiinae) from Brazil and Colombia, pp. 127-134 in Zootaxa 5397 (1) on page 128, DOI: 10.11646/zootaxa.5397.1.7, http://zenodo.org/record/10468427