Stilobezzia
Creators: name: Bauer, Maria Luiza Felippe
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Ceratopogonidae
Stilobezzia

description: Key to the American species of Stilobezzia (Eukraiohelea)
1 Females............................................................................................ 2
- Males............................................................................................. 6
2 Pale yellowish species; tarsomeres 5 of all legs with the same number of pairs of batonnets.......................... 3
- Pale or darkish species; tarsomeres 5 of all legs with variable numbers of pairs of batonnets........................... 4
3 Tarsomeres 5 of all legs with 2 pairs of batonnets (Fig. 11); fore femur with 2 ventral spines; basal 1/3 of hind femur brown (Fig. 10).................................................................... S. (E.) elegantula (Johannsen)
- Tarsomeres 5 of all legs with 1 pair of batonnets; fore femur without ventral spines; hind femur uniformly pale.......................................................................................... S. (E.) dorsofasciata (Lutz)
4 Darkish species; tarsomere 5 of fore leg with 1 pair of batonnets, tarsomere 5 of mid and hind legs with 2 pairs of batonnets................................................................................. S. (E.) amnigena Macfie
- Pale yellowish species; tarsomere 5 of fore and mid legs with 2 pair of batonnets, tarsomere 5 of hind leg with 1 pair of baton- nets (Figs. 25, 38)..................................................................................... 5
5 Wing length 1.75–1.82 mm; spermatheca 90 x 57 µ; halter stem and base of knob brown............ S. (E.) proxima n. sp
- Wing length 1.30–1.37 mm, spermatheca 57 x 42 µ; halter uniformly brown............... S. (E.) quasielegantula n. sp
6 Tergite 9 without apicolateral processes; gonocoxite with proximal portion pale yellowish, distal portion contrasting dark brown (Fig. 6).......................................................................... S. (E.) elegantula
- Tergite 9 with apicolateral processes; gonocoxite uniformly brown or pale yellowish............................... 7
7 Gonocoxite uniformly pale yellowish; apicolateral processes short, rounded (Fig. 22).............. S. (E.) proxima n. sp
- Gonocoxite uniformly brown, apicolateral processes moderately elongate, lobe-like (Fig. 35)......................... 8
8 Gonostylus swollen subapically, apex with a heavily sclerotized, elongate, curved, pointed projection; cerci large, conspicuous (Figs. 33–34)................................................................. S. (E.) quasielegantula n. sp.
- Gonostylus swollen at midportion, apex without a heavily sclerotized, elongate, pointed projection; cerci very small............................................................................................. S. (E.) amnigena
description: Published as part of Bauer, Maria Luiza Felippe, 2017, Contributions to the knowledge of predaceous midges of the subgenus Eukraiohelea Ingram & Macfie of Stilobezzia Kieffer (Diptera: Ceratopogonidae), from Brazil, pp. 557-570 in Zootaxa 4324 (3) on page 558, DOI: 10.11646/zootaxa.4324.3.9, http://zenodo.org/record/998492