Two additional species of Notaulacella enderlein (Diptera: Chloropidae) from Panama

2 Pages·1996·1.6 MB·

by  C W Sabrosky

PROC. ENTOMOL. SOC. WASH.
98(3), 1996, pp. 471-472
TWO ADDITIONAL SPECIES OF NOTAULACELLA ENDERLEIN
(DIPTERA: CHLOROPIDAE) FROM PANAMA
Curtis W. SABROSKY
Cooperating Scientist, Systematic Entomology Laboratory, PSI, Agricultural Research
Service, U.S. Department of Agriculture, Washington, DC 20560, U.S.A. Present address:
205 Medford Leas, Medford, NJ 08055, U.S.A.
Abstract.(cid:8212)Two new species, Notaulacella trivittata and N. argentigena, are described
from material obtained during canopy fogging in humid forests in Panama, adding to
Sabrosky(cid:8217)s 1994 revision of the genus.
Key Words: Taxonomy, Diptera, Chloropidae, Notaulacella, new species, canopy fogging
A synopsis of the distinctive genus No- Scutum unicolorous, without stripes
taulacella Enderlein was recently published 2a. Scutum with four relatively narrow stripes,
plus supra-alar vittula on each side
(Sabrosky 1994), based chiefly on material
Toe SSR bite Gees N. vittata Sabrosky
collected during fogging of high forest can-
Scutum with three broad stripes, obscurely
opy at two localities in Panama. In labeling separate on dorsocentral lines
the entire collection, it was discovered that OER OER Ie Stee N. trivittata, n. sp.
further material of the genus had been mis- Frontal triangle yellow; fore femur distally
with row of short, stout black setae antero-
placed and inadvertently overlooked. Two
and posteroventrally ..... N. spinosa Sabrosky
new species are described here, one of
Frontal triangle black or dark reddish, in strik-
which had been included in the published ing contrast to yellowish thorax; fore femur
key but left unnamed because of inadequate with fine hairlike setae ................ 4
material. The 1994 paper contains the ge- Frontal triangle dull or dully shining, gray mi-
CROLOIMENtOSE Et sats iateel ss aeb-e! ca sa ee 5
neric description and notes on the canopy
Frontal triangle smooth and polished....... 6
collecting. Types of the new species are in
Frontal triangle broad and long, acute apex
the National Museum of Natural History, almost at anterior margin of frons; frons yel-
Washington, D.C. low outside of triangle..... N. buscki Sabrosky
Both new species are in the first part of Frontal triangle narrowly acute to middle of
frons; frons broadly black on posterior %
the key (thorax yellow), and that part has
Ee SPREE Cen Sue OE arch er Oren cae N. compta (Duda)
been revised, with a subletter used to avoid
Frontal triangle long, apex at anterior margin
upsetting the numbering in the remaining of frons; gena whitish microtomentose but rel-
larger portion of the key. atively narrow, less than half breadth of 3rd
antennal segment
PARTIAL REVISED KEY TO CENTRAL Frontal triangle short, apex little beyond mid-
dle of frons; gena brilliantly silvery microto-
AMERICAN NOTAULACELLA
mentose, 7; breadth of 3rd antennal segment
1. Thorax chiefly or entirely yellow to orange- Suk en OR Ronee cnE ena mainG N. argentigena, n. sp.
yellow sorneddisheae iris ee 2) Fore tarsus yellowish..... N. cabimae Sabrosky
(cid:8212) Thorax largely black or black-brown, or al- Fore tarsus with at least distal 4 tarsomeres
IMOSHENLITELVAS Oy races Aye eren cut ues. hen Stetina 8 WIRLLOY etees eres eee ale N. albitarsis Sabrosky
2. Scutum with three or four stripes ........ 2a Couplets 8 to 17. See Sabrosky 1994.
472 PROCEEDINGS OF THE ENTOMOLOGICAL SOCIETY OF WASHINGTON
Notaulacella trivittata Sabrosky, Diagnosis.(cid:8212)Thorax yellow; frontal tri-
NEW SPECIES angle black, short, smooth and polished;
gena broad and brilliantly silvery microto-
Diagnosis.(cid:8212)Scutum with 3 broad, red-
mentose.
dish-brown, thinly microtomentose stripes.
Male, female. Head predominantly yel-
Female. Head partly black or dark reddish
low, only back of head, frontal triangle
brown to blackish, including back of head,
chiefly, arista, and setae black; gena con-
frontal triangle, frons posteriorly, flanking the
spicuously brilliantly silvery microtomen-
triangle, narrow lower edge of gena, median
tose. Thorax orange yellow or yellowish,
plate of clypeus, arista, and cephalic setae;
setae black. Legs yellow, all tibiae with 2
3rd antennal segment infuscate on distal half;
narrow fuscous bands, the distal band well
rest of head yellow, the gena whitish micro-
before apex of tibia; fore basitarsus fuscous
tomentose. Thorax chiefly dark reddish
except for narrow apex, the remaining tar-
brown, the humeri and scutellum whitish yel-
someres whitish yellow.
low; thoracic setae black. Abdomen brownish
Frons square, the frontal triangle mod-
yellow, tergites narrowly black margined lat-
erately short, apex slightly beyond middle
erally. Legs chiefly yellow, with 2 narrow
of frons; gena relatively broad, ¥ breadth
fuscous bands on each tibia.
of 3rd antennal segment and % height of an
Frons slightly longer than broad; frontal
eye. Fore femur without spines.
triangle short and narrow, apex at or barely
Holotype male, Panama (Canal Zone), E
beyond midpoint of frons, smooth and pol-
shore of Gatun Lake, near Colén, humid
ished mesally, with narrow band of brownish
forest, canopy fogging Tree 3, 2-14 July
microtomentum along sides; gena narrow,
1979 (E. C. Broadhead).
less than % breadth of 3rd antennal segment
Allotype, same data, but Tree 6. Para-
and 0.07 times height of an eye. Scutum with
types: 2 males, 2 females, same data as ho-
three broad stripes, obscurely separated by
lotype; 3 males, 1 female, same data except
slight grooves on dorsocentral lines. Legs
males from Trees 1, 4 and 6, female from
Slender, fore femur without spines.
hie 7.
Holotype female, Panama (Canal Zone), E Etymology. The specific epithet, a noun,
shore of Gatun Lake, near Col6n, humid for-
is derived from the Latin argenteus, silvery,
est, canopy fogging Tree 8, 2-14 July 1979
and gena, cheek.
(E. C. Broadhead). In several respects, this species resembles
Etymology. The specific epithet is an ad- N. cabimae and N. albitarsis, but both of
jective referring to the three-striped scutum. these have long frontal triangle and narrow-
This species, with dark reddish thorax, dis- er gena, neither approaching the brilliantly
turbs the easy division between species with silvery gena of argentigena. The fore tarsus
yellow thorax and those with black thorax. It of the new species is suggestive of N. al-
is definitely not black and it is conveniently bitarsis, but the fore tibia of that species has
associated with the lighter colored species. only the distal third infuscate, whereas N.
The three broad stripes are quite unlike the argentigena has the two-banded appearance
four narrow stripes of N. vittata, which was found in a number of other species of the
described as (cid:8220)(cid:8216)the only vittate yellow species genus, and the distal third is yellow.
known in Central America.(cid:8221)
LITERATURE CITED
Notaulacella argentigena Sabrosky,
Sabrosky, C. W. 1994. A synopsis of the genus No-
NEW SPECIES taulacella Enderlein in Central America: The di-
versity of a canopy fauna (Diptera, Chloropidae).
Notaulacella n. sp. no. 19 Sabrosky 1994:
Proceedings of the Entomological Society of
431, 433. Washington 96: 428(cid:8212)439.