| 1 |
Antenna with 5 antennomeres |
2
|
| - |
Antenna with 6 antennomeres |
3
|
| 2 |
Clava with an incomplete transverse suture (cf. fig. 9B in
Huang 1994
) at about basal one third; dorsum of mesoscutum and mesoscutellum without dark longitudinal stripes; forewing mostly infuscate, with a hyaline crossband near apex (cf. fig. 9C in
Huang 1994
)
|
P. densiciliatus
(Huang)
|
| - |
Clava without any sutures, dorsum of mesoscutum and mesoscutellum with 2 and 4 dark longitudinal stripes respectively (Figs
1
,
4
); forewing with a brown band below apex of submarginal vein, and with a broad infuscated patch below stigmal vein, otherwise uniformly hyaline (Fig.
6
)
|
P. bannaensis
sp. nov.
|
| 3 |
Body extensively pale yellow, with 4 dark longitudinal stripes (Figs
11
,
16
) on dorsum of mesoscutum and mesoscutellum
|
4
|
| - |
Body extensively yellow or dark; if yellow, then without any dark longitudinal stripes, at most with some dark patches (cf. fig. 11E in
Huang 1994
)
|
5
|
| 4 |
Mesoscutellum with submedian dark longitudinal stripes that do not merge with lateral stripes at posterior margin (Figs
11
,
16
); forewing with delta area having
"F"
shaped pattern formed by dark and hyaline setae and dark membrane; forewing disc with pattern posterior to linea calva formed by a transparent round patch and other irregular transparent and dark patches (Fig.
18
); clava relatively slender, 3.0-3.6
x
as long as wide
|
P. pseudovittatus
sp. nov.
|
| - |
Mesoscutellum with submedian dark longitudinal stripes merging with lateral stripes at posterior margin (cf. fig.
265 in
Rosen and DeBach 1979
); forewing with delta area having an infuscated ring formed by dark and hyaline setae, without dark membrane; forewing disc with different pattern posterior to linea calva formed mainly by several subelliptical transparent patches against a dark background (cf. fig.
268 in
Rosen and DeBach 1979
); clava about 2.5
x
as long as wide
|
P. vittatus
Compere
|
| 5 |
Scape pale; forewing at most faintly infuscated; midlobe of mesoscutum about 1.6
x
as wide as long (cf. Fig.
10E
in
Huang 1994
)
|
6
|
| - |
Scape with a dark brown oblique band apically; forewing with an
"M"
shaped transparent patch (cf. fig. 11C in
Huang 1994
); midlobe of mesoscutum 1.9
x
as wide as long (cf. fig. 11E in
Huang 1994
)
|
P. transversus
(Huang)
|
| 6 |
Mesofemur with a dark patch medially on outer surface; clava more than 2
x
as long as wide
|
P. angustus
(Compere)
|
| - |
Mesofemur pale; clava 1.8
x
as long as wide
|
P. breviclavatus
(Huang)
|