Myrsidea Price, Hellenthal & Dalgleish, 2005, n. sp.
Creators: name: Price, Roger D.
name: Hellenthal, Ronald A.
name: Dalgleish, Robert C.
Publisher: name: Zenodo
Year: 2005
Subjects: Biodiversity
Taxonomy

description: Key to the Species of Myrsidea from the Tyrannidae
Female
1 Tergites IV–VI with>31 setae, VII>26 setae .............................................................. 2
­ Tergites IV–VI with <28 setae, VII <20 setae .............................................................. 3
2 Sternites IV–VI with>50 setae; tergites I–II with <22 setae; temple width>0.50 ........ .......................................................................................................... magnidens Stafford
­ Sternites IV–VI with <40 setae; tergites I–II with>28 setae; temple width <0.48 ......... ..................................................................................................... stenodesma (Carriker)
3 Tergite I much enlarged (Figs. 15, 17) ......................................................................... 4
­ Tergite I not much enlarged .......................................................................................... 5
4 Anterior tergites medioposteriorly rounded (Fig. 17); tergites IV–V with>20 setae .... ............................................................................................................ neocinereae n. sp.
­ Anterior tergites medioposteriorly pointed (Fig. 15); tergites IV–V with <20 setae...... ............................................................................................................... oleaginei n. sp.
5 Tergite II with pronounced medioposterior rounded expansion (Figs. 18, 20, 21) ...... 6
­ Tergite II with at most only slight medioposterior convexity ...................................... 8
6 Metanotal margin with <11 setae; postspiracular seta on VI very long, much longer than on V (Fig. 18); subgenital plate margin as in Fig. 19 .................. cayanensis n. sp.
­ Metanotal margin with>10 setae; postspiracular seta on VI shorter; subgenital plate margin not so heavily spiculated ................................................................................... 7
7 Sternite I with single seta (Fig. 21); temple>0.47 wide; anus>0.23 wide .................... ................................................................................................................. spadicei n. sp.
­ Sternite I without seta (Fig. 20); temple <0.47 wide; anus <0.22 wide. olivacei n. sp.
8 Sternite V with>50 setae; temple>0.52 wide ............................................................ 9
­ Sternite V with <48 setae; temple <0.52 wide ........................................................... 11
9 Anus>0.27 wide; postspiracular seta on III shorter than on II and IV (Fig. 4).............. ................................................................................................................... pitangi n. sp.
­ Anus <0.27 wide; postspiracular seta on III similar in length to those on II and IV (Figs. 7–8) .................................................................................................................. 10
10 Postspiracular seta on V shorter than those on adjacent segments (Fig. 8) .................... ......................................................................................................... melancholici n. sp.
­ Postspiracular seta on V equal to length of those on adjacent segments (Fig. 7) .......... ................................................................................................................ seversoni n. sp.
11 Metanotal margin with at least 10 setae .................................................................... 12
­ Metanotal margin with <10 setae ............................................................................... 14
12 Temple>0.49 wide; metathorax>0.46 wide ............................................. similis n. sp.
­ Temple <0.48 wide; metathorax <0.45 wide ............................................................. 13
13 Tergite I with slight medioposterior convexity (Fig. 14); ex Contopus .. contopi n. sp.
­ Tergite I without such convexity; ex Elaenia ......................................... elaeniae n. sp.
14 Anus not>0.19 wide; each anal fringe with <32 setae; sternite V with <35 setae ........ ................................................................................................................... barbati n. sp.
­ Anus at least 0.20 wide; each anal fringe with>33 setae; sternite V with>36 setae .... ............................................................................................................. flaviventris n. sp.
description: Published as part of Price, Roger D., Hellenthal, Ronald A. & Dalgleish, Robert C., 2005, The genus Myrsidea Waterston (Phthiraptera: Menoponidae) from tyrant­flycatchers (Passeriformes: Tyrannidae), with descriptions of 13 new species, pp. 1-20 in Zootaxa 1048 on pages 18-19, DOI: 10.5281/zenodo.169922