Revision of Toxomerus Macquart, 1855 (Diptera: Syrphidae) from Brazil with synonymic notes, identification key to the species and description of three new species 2179
Author
Borges, Zuleica M.
Author
Couri, Marcia S.
text
Zootaxa
2009
2009-08-06
2179
1
72
journal article
11755334
Toxomerus procrastinatus
Metz
(
Figs. 137–139
)
Toxomerus procrastinatus
Metz & Thompson, 2001: 228
, 242 (key & descr.).
Diagnosis.
Face 1/3 as long as eye width, yellow; frontal triangle yellow. Proepimeron yellow; scutum black except broadly yellow laterally; scutellum brown with yellow margins or all brownish, black pilose; anepimeron brownish. Pro and mesofemora yellow, metafemur yellow on basal 1/3 and brown on apical 2/3; pro and meso tibiae yellow, metatibia brownish. Wing extensively microtrichose; alula broader than cell BM appically, microtrichose. Abdomen with yellow maculae on 3
rd
and 4
th
terga narrow. Surstylus a little concave apically, in lateral view; postanal process 1/3 as long as surstylus; aedeagus enlarged, slightly proeminent dorsally; superior lobe somewhat rounded with dorsal extension, with scattered hairs, longer along anteroventral and ventral margin, with small lobe medio-dorsal with hairs.
Female genitalia: 9
th
tergum with a somewhat “U” shape black macula; epiproct elliptical; cercus slender; hypoproct somewhat triangular; 9
th
sternum as in
Fig. 138
; three oval spermatecae similar in size (
Figs. 137–139
).
Length. Body 9.6–11.5 mm, wing 8.2–9.6 mm.
Type material examined
.
Paratypes
.
PARAGUAY
.
Ybycui
:
Ybycui National Park
,
♂
,
12–24/IV/1980
,
P. J. Spangler
et al.
(
USNM
)
.
BRAZIL
.
Rio de Janeiro
:
Nova Friburgo
,
♂
,
1–31/I/1965
,
Gred
&
Guimarães
(
USNM
)
;
Itatiaia
,
♀
,
IV/1945
,
Barreto
(
USNM
)
;
♂
,
I/1948
, C.
d’Andretta
(
USNM
)
.
São Paulo
:
Cantareira
,
♂
,
XI/1946
,
Barreto
(
USNM
)
;
♂
,
XI/1946
, M.
Carrera
(
USNM
)
;
Santo Amaro
,
3 ♂
,
X/1962
,
J. Lane
(
USNM
)
;
Coqueiros
,
♀
,
10/I/1954
,
E. Rabello
(
USNM
)
;
Rio Claro
,
♂
,
I/1977
,
N. Papavero
(
USNM
)
; H.
Florestal
,
♂
,
XII/1951
,
L. Trav.
(
USNM
)
;
Osasco
,
♂
,
V/1956
,
F. Lane
(
USNM
)
;
Guapiara
,
♀
,
6/III/1958
,
K Lenko
(
USNM
)
;
Campos do Jordão
,
3♂
,
♀
,
18/XI/1957
,
20/XI/1957
,
23/XI/1957
,
26/XI/1957
;
K. Lenko
(
USNM
)
,
5 ♂
,
6 ♀
,
23/IX/1962
,
21/X/1962
,
L. Silva
& E.
Dente
(
USNM
)
;
Bocaina
,
♀
,
4/XI/1965
,
F. M. Oliveira
(
USNM
)
;
Santa Catarina
:
Nova Teutônia
,
43 ♂
,
9 ♀
,
VI/1964
,
IX/1964
,
X/1964
,,
XII/1964
,,
I/ 1970
,
V/1970
,
XI/1971
,
V/1972
,
F. Plaumann
(
USNM
)
;
ARGENTINA
.
Misiones
:
San Antonio
,
♂
,
XII/1973
,
M. Fritz
(
USNM
)
.
Other material examined
.
BRAZIL
.
Espírito Santo
:
Santa Tereza
,
♂
,
II/1972
,
H. Ebert
(
MNRJ
)
.
Rio de Janeiro
:
Itatiaia
,
♂
,
Travassos
&
Dalcy
(
MNRJ
)
.
São Paulo
:
Bocaina
,
2 ♂
&
2 ♀
,
XI/1969
,
Alvarenga
&
Seabra
(
MNRJ
)
;
♀
, F. M.
Oliverira
(
MNRJ
)
.
Geographical record.
Southeastern
Brazil
to
Paraguay
and
Argentina
.