[11] See Trans. Amer. Entom. Soc. xv, p. 243, for Part I.
CONOPS.
1. First basal cell hyaline 2
First basal cell clouded throughout 6
2. Third joint of the antennae as long as the first two together;
small species _parvus_, n. sp.
Third joint of the antennae but little if any longer than the
second joint 3
3. First posterior cell hyaline 4
First posterior cell more or less clouded 5
4. Cheeks yellow _angustifrons_, n. sp.
Cheeks black _ornatus_, n. sp.
5. Face black in ground-color _argentifacies_, n. sp.
Face yellow, large species _grandis_, n. sp.
6. Red species; front red _rufus_, n. sp.
Black species; front black 7
7. Face and cheeks black in ground-color _magnus_, n. sp.
Face and cheeks yellow _inornatus_, n. sp.
1. =Conops magnus, n. sp.=
FEMALE. Front black, shining, the vertical callosity somewhat
reddish. Face and cheeks yellowish brown, the orbits silvery pollinose.
Antennae brownish black; second and third joints subequal, first
joint about two-thirds the length of the second; third joint of the
style with a long bristly extremity. Thorax shining black; pleurae
lightly whitish pollinose. Abdomen deep black, opaque; lightly whitish
pollinose posteriorly; ventral process of the fifth segment large.
Wings deep brown in front, extending through the two basal cells, and
the basal part of the discal cell; outer part of the first posterior
cell subhyaline, as also behind the streak corresponding to the
spurious vein of the Syrphidae. Legs black; base of the femora, of the
tibiae, and of the tarsi, somewhat yellowish.
Length 21-24 millimeters. Six specimens, Chapada, H. H. Smith.
2. =Conops grandis, n. sp.=
FEMALE. Front black, the lower margin of the vertical
callosity reddish; just below the callosity opaque, elsewhere shining.
Antennae black; the second and third joints of nearly equal length; the
first joint about two-thirds the length of the second joint; style with
a long bristly extremity. Face and cheeks light yellow, the orbital
margins of the former silvery or light golden pollinose. Thorax black,
the mesonotum shining, the pleurae lightly whitish pollinose. Abdomen
deep black; posteriorly lightly pollinose. Wings brown in front;
first posterior cell and the space behind the streak corresponding to
the spurious vein of the Syrphidae in the first posterior cell, pure
hyaline; outer part of the first posterior cell subhyaline; a brown
streak in front of the fifth vein. Legs black; the tibiae and basal
joints of the tarsi in large part reddish or yellowish; pulvilli light
yellow; ventral process of the fifth segment extraordinarily large;
seventh segment as long as the three preceding together.
MALE. Abdomen in ground-color black, either wholly so, or more
or less, or rarely entirely, red; the ground color, save at the base,
however, is almost wholly obscured by reddish brown pollen.
Length 19-23 millimeters. Six specimens, Chapada, H. H. Smith.
3. =Conops rufus, n. sp.=
MALE, FEMALE. Head red; face in the depression yellow, on the
sides with a silvery sheen. Antennae black; first joint red, more than
half of the length of the second joint; second joint sometimes reddish
at the base; third joint about as long as the second joint, stout;
third joint of the style suddenly attenuated into a moderately long
bristly extremity. Thorax red; mesonotum with a median black stripe,
and an oval, more or less distinct spot on either side; a golden
pollinose spot on the inner side of each humerus. Abdomen red, lightly
pollinose, the median segments more or less black; ventral process in
the female large; the sixth segment in the same sex about as long as
the two preceding together. Legs red, the tarsi a little darker, the
pulvilli and the ungues, save their black tip, yellow. Wings brown in
front, the brown extending to the fifth vein in the basal part of the
discal cell; the space behind the spurious vein in the first posterior
cell hyaline; the outer part of the same cell subhyaline.
Length 16-17 millimeters. Two specimens, Chapada, H. H. Smith.
4. =Conops angustifrons, n. sp.=
MALE. Front much longer than wide; black, shining at the
vertex and below; an opaque band below the vertical callosity. Antennae
black, the third joint somewhat reddish below towards the base; the
first joint about half of the length of the third joint; third joint
distinctly shorter than the second, rather broad at the base; style
small, attenuate. Face, cheeks and the lower part of the occiput
wholly light yellow. Thorax opaque black; a whitish pollinose spot
on the inner side of each humerus; vertical pleural pollinose spot
not distinctly limited above; a row of dorso-pleural, at least two
prescutellar, and four scutellar, well-developed bristles. Abdomen
subopaque black; second segment yellow at the base; sixth segment
opaque golden yellow pollinose. Wings brownish before the third
longitudinal vein, the first basal and the first posterior cells wholly
hyaline; a streak before the fifth vein. Legs deep brown; the base of
all the tibiae, the large pulvilli, and the claws (except their tips)
yellow.
Length 12 millimeters. One specimen, Chapada, H. H. Smith. This species
is peculiar in its narrow front, bristles of the thorax, and hyaline
first posterior cell.
5. =Conops nobilis, n. sp.=
FEMALE. Head black; front, below the vertical callosity,
except a crescentic space above the base of the antennae, opaque;
face, on the sides and in the depression, with a conspicuous, light
yellowish silvery reflection; in an oblique light from above the
ground-color wholly concealed. Antennae black; the reddish first joint
about two-thirds the length of the third joint; the third joint about
two-thirds of the length of the slender second joint; third joint
of the style with a short bristly extremity. Thorax black, lightly
pollinose, opaque; on the front margin, and near the humeri, velvety;
in the middle in front distinctly whitish when seen from behind.
Abdomen black, subshining; second segment deep opaque black, save on
the anterior part, where it is whitish pollinose; ventral process of
the fifth segment small. Legs black; the tarsi and claws (save their
extreme tips) light yellow; pulvilli very large, yellow; the tarsi
dilated. Wings unequally brown in front, scarcely extending beyond the
third vein, save in the first posterior cell; the costal cell and the
outer part of the wing in front of the third vein of a lighter color.
Length 12 millimeters. One specimen, Chapada, H. H. Smith.
6. =Conops inornatus, n. sp.=
MALE. Front black, shining, the vertical callosity reddish.
Face yellow, with golden pollen on the sides extending up on the
lower part of the front. Cheeks wholly yellow. Thorax black, shining,
lightly pollinose; margins of the thorax and of the scutellum with
moderately large bristles. Abdomen slender, black, shining; the narrow
hind margins of the third and fourth segments, the fifth on the sides
and behind, and the sixth nearly wholly, light golden pollinose. Legs
brown; base of tibiae yellow; basal joints of the tarsi yellowish.
Wings subhyaline, without distinct picture, though the color is more
intense in front; yellow in the costal cell.
FEMALE. Wings distinctly brown before the third vein and
in the basal cells and proximal portion of the discal cell. Abdomen
diffusely whitish pollinose behind; the second segment largely reddish;
ventral process of the fifth segment small.
Length 10 millimeters. Two specimens, Chapada, H. H. Smith.
7. =Conops ornatus, n. sp.=
MALE. Vertical callosity reddish; below it an opaque black
band, connected in the middle with a V-shaped spot about the base of
the antennae; the front elsewhere, and the face for the greater part,
light yellow, the sides of the latter with a broad silvery sheen.
Cheeks black. Antennae red; the first joint a little shorter than the
third joint; second joint about twice the length of the first; style
short, thick. Thorax black, opaque; near the humeri and behind, as
also on the scutellum, thickly golden pollinose; pleurae diffusely
pollinose. Abdomen opaque black; the hind margin of the first three
segments, and the remainder of the abdomen, save spots on the sides of
the fourth and fifth segments, thickly light golden pollinose. Legs
reddish brown, the base of the tibiae and the basal joints of the tarsi
yellowish. The brown of the wings extends to the third vein and through
the middle of the first posterior cell; costal and subcostal cells
lighter colored.
Length 11 millimeters. Two specimens, Chapada, H. H. Smith.
8. =Conops parvus, n. sp.=
FEMALE. Closely allied to _C. sylvosus_ Williston, but differs
in the lighter colored antennae and their more elongated third joint,
which is as long as the first two joints together; in the wings being
wholly grayish hyaline, save a quadrate brown spot in front a little
beyond the middle; and in the lighter colored legs and abdomen. The
proboscis is as long as the antennae; the legs are brown or brownish
yellow.
Length 8 millimeters. Two specimens, Chapada, H. H. Smith.
Explanation of Plates.
PLATE I. Skull of _Pteranodon_ sp., one-fifth
natural size.
PLATE II. Left front paddle of _Clidastes velox_
Marsh, two-thirds natural size. _C_, coracoid; _S_,
scapula; _H_, humerus; _I_, first digit; _V_, fifth
digit.
PLATE III. Left hind paddle of _Clidastes velox_
Marsh, two-thirds natural size. _Il_, ilium; _P_, pubis;
_Is_, ischium; _F_, femur; _T_, tibia; _Fb_, fibula;
_I_, first metatarsal.
PLATE IV. Right front paddle of _Clidastes Westii_
Williston, one-third natural size. _S_, scapula; _C_,
coracoid; _H_, humerus; _R_, radius; _U_, ulna; _I_,
_IV_, first, fourth digits.
PLATE V. Right hind paddle of _Clidastes Westii_
Williston, one-half natural size.
PLATE VI. Eighteenth dorsal vertebra of _Clidastes
Westii_ Williston, natural size. Fig. 1, centrum from
behind; fig. 2, from below.
PLATE VII. Fig. 1, _Microdon megalogaster_ Snow;
fig. 2, _Brachyopa cynops_ Snow; fig. 3, _Syrphus
ruficauda_ Snow; fig. 4, _Callicera montensis_ Snow;
fig. 5, _Tropidomyia bimaculata_ Williston; fig. 6,
_Rhingiopsis rostrata_ Roeder; fig. 7, _Ancanthina
hieroglyphica_ Wiedemann.
PLATE VIII. _Melitera dentata._ Adult, silken
cocoon and outer layer of dirt-masses held together by
silken threads; larva (shaded); larva in outline showing
position and number of tubercled hairs; hind wing of
adult showing venation.
PLATE I.
Skull of _Pteranodon_ sp., one-fifth natural size.
[Illustration: KAN. UNIV. QUART. VOL. I. PLATE I.
S. W. Williston.]
PLATE II.
Left front paddle of _Clidastes velox_ Marsh, two-thirds natural size.
_C_, coracoid; _S_, scapula; _H_, humerus; _I_, first digit; _V_, fifth
digit.
[Illustration: PLATE II.
S. W. Williston, ad nat. del.]
PLATE III.
Left hind paddle of _Clidastes velox_ Marsh, two-thirds natural size.
_Il_, ilium; _P_, pubis; _Is_, ischium; _F_, femur; _T_, tibia; _Fb_,
fibula; _I_, first metatarsal.
[Illustration: PLATE III.
S. W. Williston, ad nat. del.]
PLATE IV.
Right front paddle of _Clidastes Westii_ Williston, one-third natural
size. _S_, scapula; _C_, coracoid; _H_, humerus; _R_, radius; _U_,
ulna; _I_, _IV_, first, fourth digits.
[Illustration: PLATE IV.
S. W. Williston, ad nat. del.]
PLATE V.
Right hind paddle of _Clidastes Westii_ Williston, one-half natural
size.
[Illustration: PLATE V.
S. W. Williston, ad nat. del.]
PLATE VI.
Eighteenth dorsal vertebra of _Clidastes Westii_ Williston, natural
size. Fig. 1, centrum from behind; fig. 2, from below.
[Illustration: PLATE VI.
FIG. 1.
FIG. 2.
S. W. Williston, ad nat. del.]
PLATE VII.
Fig. 1, _Microdon megalogaster_ Snow.
Fig. 2, _Brachyopa cynops_ Snow.
Fig. 3, _Syrphus ruficauda_ Snow.
Fig. 4, _Callicera montensis_ Snow.
Fig. 5, _Tropidomyia bimaculata_ Williston.
Fig. 6, _Promerisana nasuta_ Macq.
Fig. 7, _Ancanthina hieroglyphica_ Wiedemann.
[Illustration: PLATE VII.
Mary Wellman and S. W. Williston, ad nat. del.]
PLATE VIII.
_Melitera dentata_ Grote; adult, silken cocoon and outer layer of
dirt-masses held together by silken threads; larva (shaded); larva in
outline showing position and number of tubercled hairs; hind wing of
adult showing venation.
[Illustration: PLATE VIII.
Mary Wellman, ad nat. del.]
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