Systematics of Phasia Latreille (Diptera: Tachinidae)
Author
Sun, Xuekui
Author
Marshall, Stephen A.
text
Zootaxa
2003
2003-08-29
276
1
1
320
https://biotaxa.org/Zootaxa/article/view/zootaxa.276.1.1
journal article
10.11646/zootaxa.276.1.1
11755334
5019510
4177F6E7-B276-438E-8E49-EE5ECD84D351
3.6.6
Phasia clavigralla
Sun
,
sp. nov.
(Figures I15.14, II7.4)
TYPE
MATERIAL
Holotype
♀
,
TANZANIA
, Kilosa district, Ilouga ARI,
6.vi.1979
, host:
Clavigralla elongata
Signoret (Coaeidae), P.C. Matteson (BMNH).
DESCRIPTION
Body length:
6.5 mm
.
FEMALE: HEAD.
Head spherical or nearly so. Eyes touching. Frontoorbital plate black with grey pruinosity, one row of hairs laterally. Frontal vitta brown, divergent. Frontal vitta at base of antennae 1.4 times as wide as frontoorbital plate anteriorly. Ocellar setae present but fine; outer vertical setae absent; inner vertical setae absent. Face black with grey pruinosity. Parafacial black with grey pruinosity, bare, 0.9 times as wide as first flagellomere. Lower margin of face projecting, visible in profile, brown, grey pruinose. Intervibrissal distance 1.2 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 1/6. Gena brown and black with grey pruinosity; hairs white; height 0.1 times eye height. Lunule normal; sublunular bulla indistinct. Antenna black; first flagellomere 1.2 times as long as pedicel; arista thickened on basal 0.25. Length of oral opening 1.4 times its width. Occiput flattened, white pruinose; hairs white. Palpus brown.
THORAX
. Mesoscutum thinly grey pruinose, even, without black longitudinal vitta, with fine black hairs. 0+0 Acrostichal seta; 0+1 dorsocentral seta; 1 postpronotal seta; presutural supraalar seta present, strong; 0 postsutural intraalar seta; 2 notopleural setae; 1 supraalar seta; 2 postalar setae. Pleuron thinly grey pruinose; hairs black and brown. Anepimeral setae medium size, black; 2 katepisternal setae; 78 meral setae. Scutellum black; thinly grey pruinose, with two pairs of marginal setae; apical setae present and distinct; discal setae randomly arranged, not in rows. Subscutellum not very prominent.
WING
. Lower calypter hyaline white. Wing base without scalelike setae. Tegula black. Basicosta brown. Wing hyaline, narrow; petiole of apical cell 0.24 times as long as preceding section of R
4+5
; M meeting R
4+5
almost at right angle. Halter brown.
LEGS
. Fore femur black; hairs black. Fore tibia black, without bristles, apically with 1
d
. Fore tarus black. Fore claws black; 0.9 times as long as fifth tarsomere. Pulvilli brown. Mid femur black; hairs black. Mid tibia black, with 1
ad
and 1
v
, apically with 1
ad
, 1
av
, 1
pv
, 1
v
and 1
d
. Hind femur black; hairs black. Hind tibia black, with one row of
ad
and
pd
. Anterior spinelike setae of hind tibia present.
ABDOMEN
. Abdominal tergites black; pruinosity present, but thin; longitudinal vitta absent. Relative length of abdominal tergites I+II:III:IV:V = 1.4:1:1:1; relative width I+II:III:IV:V = 0.45:1:1:0.7. Syntergite I+II shiny, not pruinose. Tergite III shiny. Pruinosity of tergite IV absent; hair spots indistinct. Pruinosity of tergite V silvery. Sternite VII (sheath) longer than sternite VI, sticklike, with a knob apically, not bent, apex straight, smooth ventrally. Ovipositor bent upward.
MALE
: Unknown.
HOST
Clavigralla elongata
Signoret (
Hemiptera
,
Coreidae
):
Tanzania
(new record).
ETYMOLOGY
This specific name refers to the generic name of the host,
Clavigralla.
NOTES
This specimen is labelled as
Allophora nasalis
(Bezzi)
by K.M. Harris.