Records Of Dacine Fruit Flies And New Species Of Dacus (Diptera: Tephritidae) In Bhutan
Author
Drew, R. A. I.
Author
Romig, M. C.
Author
Dorji, C.
text
Raffles Bulletin of Zoology
2007
2007-02-28
55
1
1
21
journal article
10.5281/zenodo.5331152
2345-7600
5331152
Bactrocera (Bactrocera) verbascifoliae
Drew & Hancock
Bactrocera (Bactrocera) verbascifoliae
Drew & Hancock, 1994: 64
;
Norrbom et al., 1998: 96
.
Holotype
female in BMNH.
Material examined
.
–
BHUTAN
:
3 males
,
Phuentsholing
,
10 km
,
10 Jun.2000
, coll.
S. Thapa
;
1 male
,
Phuentsholing
,
13 May.2000
, coll.
S. Thapa
PQI
;
1 male
,
Rimchu
,
17 May.2001
, coll.
R
.
Drew
&
M. Romig
;
2 males
,
Samdrup Jongkhar District
,
15 Nov.2004
, coll.
S. Wangdi. All
specimens attracted to methyl eugenol.
Specimens
in
NPPC
and
QDPI
.
Diagnosis
.
–
Face fulvous with a pair of medium size circular black spots; scutum with base colour black, postpronotal lobes and notopleura yellow, mesopleural stripe reaching midway between anterior margin of notopleuron and anterior
npl
. seta dorsally, a pair of narrow parallel sided lateral postsutural vittae ending at
ia
. seta, medial postsutural vitta absent; setae:
sc
. 2;
prsc
. 2;
ia
. 1;
p.sa.
1;
a.sa
. 1;
mpl
. 1;
npl
. 2;
scp
. 4; scutellum yellow except for a narrow black basal band; legs with femora entirely fulvous, fore tibiae pale fuscous, mid tibiae fulvous tending pale fuscous basally, hind tibiae pale fuscous; wings with cells bc and c colourless, microtrichia in outer corner of cell c only, a narrow fuscous costal band confluent with or slightly overlapping R
2+3
and remaining narrow around costal margin to end beyond extremity of R
4+5
(in some specimens there is a slight swelling around apex of R
4+5
), a narrow fuscous cubital streak ending before wing margin, supernumerary lobe weak; abdominal terga III-V orange-brown with a narrow transverse black band across anterior margin of tergum III and expanding to cover lateral margins where it becomes dark fuscous, a narrow medial longitudinal dark fuscous to black band over all three terga, anterolateral corners of terga IV and V dark fuscous to black.
Attractant. –
Methyl eugenol.
Distribution.
–
India
,
Thailand
. New Record for
Bhutan
.
Hosts.
–
Species of wild
Solanum
including
Solanum verbascifolium
(Family
Solanaceae
) (see Drew & Hancock, 1994;
Allwood et al., 1999
).
Remarks
.
–
This species is a non pest member of the
dorsalis
complex with a specialised host plant association. It is similar to
B. dorsalis
(Hendel)
in general colour patterns but differs in having narrow lateral postsutural vittae and a short aculeus on the female ovipositor (see Drew & Hancock, 1994).