Neotropical Fanniidae (Insecta, Diptera): new species of Fannia from Colombia
Author
Grisales, Diana
Author
Wolff, Marta
Author
De, Claudio J. B.
text
Zootaxa
2012
3591
1
46
journal article
10.5281/zenodo.213946
2a54e127-4d40-404e-ab7f-5b48f6e37e83
1175-5326
213946
Fannia grandis
Malloch
(
Figs. 6, 7
,
26
,
44
,
62
,
80
,
98
,
116
)
Fannia grandis
Malloch 1912
: 3
.
Holotype
male, deposited in the National Museum of Natural History (USNM). Type-locality:
Panama
, Puerto Bello.
Diagnosis.
these characters apply only to the male sex. Eyes with sparse setulae, hind femur with ventral well developed pre-apical protuberance and a large tuft of densely packed setae, forming a strong hook.
Redescription
.
Male:
body length: 7.2 mm; wing length: 5.25 mm.
Head
: eye with sparse setulae, short setae visible under certain angles. Frontal vitta velvety brown with orange areas, posteriorly black-greyish and pollinose. Interocular space 0.16 mm.
Fr
14. Ocellar triangle greyish pollinose;
oc
proclinate and developed, 5 less developed setulae in the area.
Poc
divergent. Fronto-orbital plate and parafacial greyish pollinose. Parafacial bare. Gena grey. Lunule yellow. Scape yellow, 3–5 short divergent setae. Pedicel yellow, with dorsal setae short (
Fig. 6
). Postpedicel golden-yellow pollinose, 2 times the length of pedicel. Arista brown, base and basal fourth yellow, pubescent. Palpus yellow and filiform.
Thorax
: grey, golden-brownish pollinose; scutum with 3 ample brown vittae, median vitta wide and irregular, ending at base of scutellum, the two lateral vittae wide, reaching the postpronotal, pre-sutural and intra-alar areas and ending on the last pair of postsutural
dc
; in dorsal view vitta expanded to supra-alar area; in lateral view only a brown mark is seen on supra-alar area (
Fig. 7
). Scutellum brown on basal half.
Acr
2–3:3–4, not arranged in rows; 2 setae shorter than pre-scutellar setae near base of scutellum.
Dc
2:3, arrangement of postsutural dorsocentral similar to the base of a cone.Postpronotum with 2 developed and 2 weak setae. Two short
pra
, larger seta closer to supra-alar seta. Proepimeral area with few weak ground setulae. Pre-basal pre-scutellar seta absent, area with short ground setulae. Subapical scutellar setae 1 pair, on the same row as discal scutellar setae. Lateral scutellar setae present.
Wing
: yellowish. Calypters yellowish with margin darker, lower calypter triangular with weak, brownish apical mark. Haltere yellowish with stem whitish and base yellowish.
Legs
: brown with coxae yellowish-brown and silver-golden pollinose; trochanter yellow; femur light-brown with base and apex yellow; tibia with basal third and apex yellow; tarsi dark brown and pulvillus yellowish (
Fig. 6
). Fore femur with 1 row of
d
; ventral surface almost bare; 1 row of long and strong
pv
on apical half; 1 row of
pd
; 1 row of
p,
longer and with curved apices on apical third. Fore tibia with 1 strong pre-apical
d
; 1 apical
pv
. Fore tarsus with basal
v
on first tarsomere, with 1–2 long and weak setae; tarsomeres, particularly the two apical most, slightly flattened and widened with respect to the remaining tarsomeres. Mid femur constricted on pre-apical ventral surface; 1 row of
ad
ending in 1 long and curved pre-apical; 1 row of short
av
longer and sparse on basal third and decrease in length towards apex; ventral surface with strong and developed setae on basal half and on apical half, on apical third with hooked apices and running towards posterior surface, forming a ctenidium; 1 row of long
p
ending on posterodorsal surface, with hooked apices on basal half and 5 strong and straight setae on apical half. Mid tibia on ventral surface strongly constricted, on apical half densely setulose and with 1 apical long and strong seta; 1
ad
on edge of apical third; 1–2 short apical
a
; 1 long and strong apical and 1 short and weak
av
; 1 short
p
on edge of apical third and 1 pre-apical; 1 pre-apical
d
. Mid tarsus with first tarsomere 2 times the length of first tarsomere of fore and hind legs.
Hind
coxa bare on posterior margin.
Hind
femur lightly curved; ventral surface with pre-apical conspicuous protuberance, where a strong tuft of long and strong setae forms a hook (
Figs. 26
,
44
); 1 row of
ad
running towards dorsal surface, increasing in length towards apex and ending in 7 developed setae; anterior surface with setae on basal half; 1 row of long and strong
av
on apical half up to pre-apical protuberance, 1 long and strong seta on apical third and 3 shorter apical (
Fig. 26
); posterodorsal and posterior surfaces densely setulose, with long and weak setae with hooked apices, more ventral setae extending up to protuberance (
Fig. 44
).
Hind
tibia with dorsal surface curved, 1 strongly developed median and 1 shorter pre-apical
d
; 2 median
ad
, 1 developed on edge of apical third and 1 shorter, pre-apical; 1 row of short and strong
a
on apical half, unordered, and 2 short pre-apical; 5–6
av
on apical half, 1 strong apical.
Abdomen
: syntergite 1+2 with base brown; syntergite 1+2, tergites 3–4 translucent-yellow or darker, with median vitta brown, expanded on apical margin of each tergite without reaching lateral region; tergite 5 grey pollinose and with median vitta brown, expanded to apical margin (
Fig. 7
). Sternite 1 bare. Sternite 5 as in
Fig. 62
. Terminalia (
Figs. 80
,
98
): epandrium wider than long, with developed setae; cercal plate enlarged with weak setae and two apical, long projections; surstylus strongly articulated with epandrium, straight and pointed apically, with short and weak setae and apex folded; bacilliform process spiralled; hypandrium and associated structures as in
Fig. 116
.
Female
: not found.
Biology.
label data of examined material from
Colombia
indicate that this species is associated with decomposing organic matter in forest areas.
Comments.
Fannia grandis
is a new record for
Colombia
. Until now the species was known only from
Panama
, collected by the biological entomological survey of the Smithsonian Institution in the
Panama
Canal in 1911 (
Malloch 1912
). According to
Albuquerque
et al.
(1981)
the species belongs to the
grandis
group. However, the phylogenetic placement of
F. grandis
is in the following clade: [
F. h e r m a n i
[
F. grandis
[
F. ro i g i
+
F. losgateados
]]], sister-group of the
anthracina
group (
Domínguez & Roig-Juñent 2008
).
Type-material
(not dissected):
Paratypes
(USNM). PortoBello\ Pan [
Panama
]
Mar 13. 11
\ August Busck.
Paratype
\ No 14912\
U.S.
N.M (
1 male
); PortoBello\ Pan [
Panama
] Feb 25.11\ August Busck Collector.
Paratype
\ No 14912\
U.S.
N.M (
1 male
); PortoBello\ Pan [
Panama
]\
Feb 23
\ A Busck Coll.
Paratype
\ No 14912\
U.S.
N.M. (
1 male
).
Material examined.
COLOMBIA
. Antioquia:
1 male
San Roque, Cto. San Jos del Nus, Corpoica, VSR liver, Borde de Bosque, N. Uribe, May 0 1, 2007,
CEUA
42629 (
CEUA
).
Distribution.
Panama
(
Malloch 1912
; de
Carvalho
et al
. 2003
).
Colombia
: department of Antioquia (Andean region, Central Cordillera).