Euseius concordis
Creators: name: Lopes, Paula C.
name: Mcmurtry, James A.
name: De Moraes, Gilberto J.
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Mesostigmata
Phytoseiidae
Euseius
Euseius concordis

description: Key for the separation of females of the species of the concordis species group
1. Seta R1 usually inserted in the dorsal shield (at least in one side); s4 approximately twice as long as z4; leg IV macrosetae dis- tally truncate to swollen........................................................................ E. emanus
- Seta R1 inserted in the unsclerotised cuticle; s4 1.1 –2.5 times as long as z4; leg IV macrosetae varying from sharply pointed to swollen distally....................................................................................... 2
2. Leg IV macrosetae sharp-tipped; dorsal shield with or without distinct reticulation in opistonotal region................. 3
- Leg IV macrosetae blunt to swollen distally; dorsal shield without distinct reticulation in opistonotal region.............. 8
3. Opistonotal region of dorsal shield smooth................................................................. 4
- Opistonotal region of dorsal shield reticulate............................................................... 5
4. Spermathecal calyx with uniform diameter; Z5 about 2.3 times as long as S5; StIV about 1.3 times as long as s4................................................................................................... E. brevifistulae
- Spermathecal calyx with distinct constriction near vesicle; Z5 about 3.8 times as long as S5; StIV about 2.5 times as long as s4........................................................................................... E. neolokele
5 Seta r3 usually inserted in the dorsal shield; peritreme extending at most to level of z2..................... E. tularensis
- Seta r3 inserted in unsclerotised cuticle; peritreme extending distinctly beyond the level of z2........................ 6
6. Seta Z5 about 4.8 times as long as j6 and J2; peritreme extending to the region between j3 and z2................ E. vivax
- Seta Z5 at most 4.0 times as long as j6 and at most 3.8 times as long as J2; peritreme extending to level of j3............ 7
7. Seta z4 at least 1.2 times as long as z2; SgeIV on the average 54 µm in length (at least 46 µm)................. E. hibisci
- Setae z2 and z4 approximately of the same lengths; SgeIV on the average 43 µm in length (maximum 47 µm)... E. quetzali
8. Macrosetae of genu, tibia and tarsus IV of similar lengths (25–28 µm); calyx of spermatheca about 8 µm long.. E. passiflorus
- Macrosetae of tibia IV distinctly shorter than other macrosetae; calyx of spermatheca at least 11 µm long............... 9
9. Setae j3 and s4 at most 25 µm long.......................................... E. mesembrinus (= E. ho, E. brazilli)
- Setae j3 and s4 at least 33 µm long....................................................................... 10
10. Leg IV macrosetae with swollen tips................................... E. concordis (= E. flechtmanni, E. caseariae)
- Leg IV macrosetae blunt or sharp-tipped.................................................................. 11
11. Calyx of the spermatheca about straight, about five times as long as its uniform diameter................... E. stipulatus
- Calyx of the spermatheca distinctly curved, slightly narrower near vesicle and about 6–7 times as long as its diameter at mid length.................................................................................... E. fructicolus
description: Published as part of Lopes, Paula C., Mcmurtry, James A. & De Moraes, Gilberto J., 2015, Definition of the concordis species group of the genus Euseius (Acari: Phytoseiidae), with a morphological reassessment of the species included, pp. 174-190 in Zootaxa 4048 (2) on page 187, DOI: 10.11646/zootaxa.4048.2.2, http://zenodo.org/record/241225