Taxonomic studies on Oriental Microplitis Foerster (Hymenoptera: Braconidae, Microgastrinae) with description of two new species from South India
Author
Ranjith, A. P.
Author
Rajesh, K. M.
Author
Nasser, M.
text
Zootaxa
2015
3963
3
369
415
journal article
http://dx.doi.org/10.11646/zootaxa.3963.3.4
46d5ef05-03f8-4b67-8e81-fd5c1cd89387
1175-5326
235263
C543FC96-D621-4BAD-8746-ED14E447F948
Key to the Oriental species of
Microplitis
Foerster
1
. Notauli absent, if present, then indicated only by indentations at anterior margin of mesoscutum or by pair of depressions postero-medially (
Figs
10
-A & F); medial and lateral lobes of mesoscutum (apart from notauli) smooth or virtually so, though often with micropunctures associated with pilosity; medial furrow of mesoscutum often absent, if present then slightly indented and never sculptured............................................................................
2
- Notauli present, smooth to crenulate, impressed, percurrent and meeting posteriorly (
Figs
3
-C,
4
-C,
6
-D,
7
-C,
8
-C,
9
-C,
12
-C,
13
-D,
15
-C,
17
-C,
20
-C &
22
-C); medial and lateral lobes of mesoscutum (apart from notauli) sculptured at least in part; medial furrow of mesoscutum present, distinct and usually sculptured............................................
6
2
. Propodeum strongly rugose with weak indication of median carina; T
1
1.6
× as long as its maximum width; scutellar lunules divided by
8–9
well defined carinae...................................................
Microplitis indicus
Marsh
- Propodeum with distinct median longitudinal carina surrounded by coarse rugosity; T
1
more than
1.6
× as long as its maximum width; scutellar lunules divided by fewer than eight carinae....................................................
3
3
. Transverse carinae on propodeum absent or indistinct; wings infuscated or hyaline..................................
4
- Transverse carinae on propodeum distinct; wings hyaline......................................................
5
4
. Wings infuscated, pterostigma uniformly dark brown; T
1
1.7
× as long as wide, parallel sided, slightly narrowed at apex with apical swelling, finely rugose punctate in posterior half except apical patch; median length of T
3
more than T
2
.........................................................................................
Microplitis manila
e Ashmead
- Wings hyaline (
Fig.
5
-D), pterostigma brown with faint patch basally; T
1
2
× as long as wide, dilated at apex and converging towards tip (
Fig.
5
-C); median length of T
3
less than T
2
other characters different.....
Microplitis ajmerensis
Rao & Kurian
5
. Propodeum with clear median longitudinal carina surrounded by coarse rugosity with large reticulations (
Figs
10
-A & E); distinctly raised transverse carinae; T
1
2.1
× as long as maximum width; posterior half striate rugose, apical half smooth with apex nitid; T
2
without defined median field (
Fig.
10
-A)..................................
Microplitis demolitor
Wilkinson
- Propodeum coarsely reticulate-rugose with distinct medial longitudinal carina surrounded by coarse rugosity with dense mesh of reticulations; transverse carinae indistinct; T
1
1.85
× as long as its maximum width, strongly reticulate rugose (except apical tip), reticulations larger pre-apically; T
2
with median field..................................
Microplitis murkyi
Gupta
6
. T
1
more than
2
× as long as wide; widest basally, parallel sided.................................................
7
- T
1
equal to or less than
2
× as long as wide, sub-parallel sided.................................................
11
7
. T
1
2.5–3.3
× as long as its apical width; notauli excavate, crenulate and coarsely sculptured (
Fig.
13
-C & D); metapleuron coarsely reticulate-rugose; scutellar lunules divided by four carinae (
Fig.
13
-D); dorsal scutellum very coarsely rugulose-punctate and pilose (
Fig.
13
-D); propodeum with two faces meeting sharply at about
90
°, coarsely rugose (
Fig.
13
-E); medial longitudinal carina indistinct....................................................
Microplitis maculipennis
(Szépligeti)
- Above characters partly or completely different or in different combination; propodeum with distinct medial longitudinal carina; number of carinae dividing scutellar lunules variable....................................................
8
8
. Scutellar lunules divided by three carinae (
Fig.
7
-C); dorsal scutellum coarsely rugose (
Fig.
7
-C); propodeum reticulate-rugose (
Fig.
7
-D); T
1
2.6
× as long as wide, smooth antero-medially, rugose postero-laterally (
Fig.
7
-D)...................................................................................................
Microplitis bicoloratus
Xu & He
- Scutellar lunules divided by five or six carinae; dorsal scutellum slightly rugose or smooth with fine micropunctures; propodeum rugose; T
1
2–2.1
× as long as wide, rugose.............................................................
9
9
. Face
1.7
× as wide as high; area between antennal sockets without distinct carinate longitudinal ridge; mesoscutum without medial furrow (
Fig.
17
-C); scutellar lunules divided by six carinae
Figs
17
-C & D,
18
-C); hind femur
3.5
× as long as wide; hind tibia
6.7
× as long as wide.........................................................
Microplitis similis
Lyle
- Face
1.2
× as wide as high; area between antennal sockets with distinct carinate longitudinal ridge; mesoscutum with medial furrow; scutellar lunules divided by five carinae other characters variable........................................
10
10
. Mesosoma
1.7
× as long as high; scape reddish yellow (
Fig.
15
-B); first subdiscal cell
1.1
× as long as high; hind coxa reddish black (
Fig.
15
-A); T
1
smooth anteriorly, remainder reticulate-rugose (
Fig.
15
-D)...........
Microplitis marshalli
Kokujev
- Mesosoma
1.4
× as long as high; scape black (
Fig.
22
-B); first subdiscal cell
1.3
× as long as high; hind coxa black (
Fig.
22
-F); T
1
entirely coarsely rugose (
Fig.
22
-D)...............................................
Microplitis zhaoi
Xu & He
11
. Propodeum coarsely rugose (
Fig.
8
-D); scutellum rugose or rugulose (
Figs
3
-C,
4
-C &
8
-C).........................
12
- Propodeum coarsely reticulo-rugose (
Figs
9
-C,
12
-D &
21
-C); scutellum rugose, evenly or unevenly punctate (
Figs
9
-C,
12
-C &
21
-C)...........................................................................................
18
12
. Scutellar lunules divided by more than five carinae (
Figs
3
-C &
4
-C)............................................
13
- Scutellar lunules divided by five carinae (
Figs
6
-D &
11
-C)...................................................
17
13
. T
1
2
× as long as wide; scutellar lunules divided by seven carinae; T
2
and T
3
reddish brown, T
2
dark brown at median field, median field without slanting margins; T
3
with a mix of red, brown and black, darker laterally (
Fig.
16
-A); median length of T
3
greater than T
2
; ovipositor exserted, visible in dorsal view (
Fig.
16
-A).............
Microplitis prodeniae
Rao & Kurian
- T
1
less than
2
× as long as wide; other characters partly or completely different or in different combination..............
14
14
. T
1
1.25
× as long as wide, black and rugose (
Figs
19
-B &
20
-E); median length of T
2
nearly equal to T
3
(Fig.
20
-E); scutellar lunules divided by six carinae (Fig.
20
-C)....................................
Microplitis spodopterae
Rao & Kurian
- T
1
1.7
× as long as wide, brown and rugulose laterally; medial length of T
2
0.6–0.8
× as long as T
3
; scutellar lunules divided by six –nine carinae.....................................................................................
15
15
. Scutellar lunules wide medially divided by eight –nine carinae (
Fig.
3
-C); antennae
1.2
× body length; length of maxillary palp
1.3
× height of head in dorsal view; length of eye
3.7
× length of malar space; metasoma orange brown; T
2 in
medial line
0.8
× as long as T
3
...................................................
Microplitis narendrani
Ranjith & Nasser
sp. nov.
- Scutellar lunules divided by six or seven carinae (
Figs
4
-C &
8
-C); antennae
1
or
1.2
× as long as body; length of maxillary palp less than
1.3
× height of head in dorsal view; length of eye less than
3.7
× length of malar space; metasoma black or reddish; T
2 in
medial line
0.6
× as long as T
3
.................................................................
16
16
. Body black (
Fig.
4
-A); face
1.4
× as wide as long, rugose-punctate; fore wing
2.8
× as long as wide (
Fig.
4
-F); pterostigma yellowish basally,
2.6
× as long as wide; first flagellomere
2.8
× as long as wide; terminal flagellomere acute; hind femur
3.3
× as long as wide; hind tibia
6.6
× as long as apical width...................
Microplitis pennatulae
Ranjith & Rajesh
sp. nov.
- Body reddish brown (
Figs
8
-A & C); face
1.6
× as wide as long, rugulose; fore wing
2.6
× as long as wide; pterostigma without yellowish area,
2.8
× as long as wide; first flagellomere
3.4
× as long as wide; terminal flagellomere obtuse; hind femur
3
× as long as wide; hind tibia
6.9
× as long as apical width...............................
Microplitis carinicollis
(
Cameron
)
17
. Fore wing
2.6
× as long as wide; pterostigma
2
× as long as wide; wings with infuscate patch below pterostigma (
Fig.
6
-F); T
1
with broad medial longitudinal furrow, finely punctate-strigose except for smooth apical margin; hind coxa mostly smooth, with fine oblique striae dorsally (
Fig.
6
-E).............................
Microplitis areyongensis
Austin & Dangerfield
- Fore wing
2.16
× as long as wide; pterostigma
3.1
× as long as wide; wings hyaline (
Figs
11
-A & F); T
1
without broad medial longitudinal furrow, smooth medially (
Figs
11
-C & D); hind coxa rugose basally remainder smooth (
Fig.
11
-A)........................................................................................
Microplitis leucaniae
Xu & He
18
. Mesoscutum mostly smooth except for micropunctures anteriorly and laterally; notauli slightly indented (
Fig.
12
-C); T
1
2.1
× as long as wide (
Fig.
12
-D); pterostigma
3.1
× as long as wide; T
3
as long as T
2
(
Fig.
12
-E).................................................................................................. ..
Microplitis longwangshana
Xu & He
- Mesoscutum rugose-punctate; notauli well developed, represented by coarsely crenulate furrows meeting posteriorly to form a sunken area; T
1
less than or
2
× as long as wide; pterostigma less than
3.1
× as long as wide; T
3
longer than T
2
...........
19
19
. Mesosoma
1.7
× as long as high; pronotum weakly rugose-punctate;
1
-R
1
0.8
× as long as pterostigma; propodeum with distinct anterior transverse carina; T
1
, parallel sided, dark yellowish brown; T
2
with distinct smooth median field........................................................................................
Microplitis brevispina
Song & Chen
- Mesosoma
1.3
or
1.4
× as long as high; pronotum coarsely rugose-punctate;
1
-R
1
1.6
or
2.9
× as long as pterostigma; propodeum with indistinct anterior transverse carina; T
1
, sub parallel sided, narrowing posteriorly, reddish yellow or dark yellowish brown; T
2
without distinct smooth median field............................................................
20
20
. Face densely punctate; POL
1.1
× OOL;
1
-R
1
1.6
× as long as pterostigma; scutellum densely micropunctate (
Fig.
21
-C); first distal cell
1.5
× as long as high; T
1
1.7
× as long as wide.........................
Microplitis vitellipedis
Li, Tan & Song
- Face rugose (
Fig.
9
-B); POL
0.7
× OOL;
1
-R
1
2.9
× as long as pterostigma; scutellum coarsely rugose (
Figs
9
-C & D); first distal cell
1.2
× as long as high; T
1
2
× as long as wide.......................................
Microplitis chui
Xu & He