Article beginning on page 394.
Psyche 9:394-395, 1900.

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3 94 PSYCHE. [September, 1902
GROUP CHARACTERISTICS OF SOME NORTH AMERICAN BUT- TERFLIES - 111.
BY SAMUEL H. SCUDDER, CAMBRIDGE, MASS.
Tasitia Moore.
Chrysalis : Slenderer in the thoracic
region than in Anosia with stouter and
more prominent ocellar tubercles, and
with the semicircles of raised points on third abdominal segment oblique when
pendent.
T. berenice Cram. (Paf- giliffus Sm.-
Abb.). Batterfiy: Wings dark reddish choco- late on both surfaces broadly bordered with blackish, the veins darker especially beneath where they are often narrowly edged with white or, above, with steel gray; the black border more or less dotted with white and on the fore wings followed within by a row of white spots, besides which two parallel
oblique rows of white spots cross the apical half of the wing, the inner just outside the cell, and similar spots are found in the mid- dle of the median interspaces of the same wings. Expanse of wings 80 mm. Egg:
Unknown. Catw@7larat birth : Unknown.
&fa/f6re ca/erpiZlar: Whitish violet with transverse deeper lines, and next the anterior margins of the segments a transverse reddish brown band enclosing a narrow yellow stripe ; filaments brown purple. Length 5.5 nun.
Feeds on AscZe$ias aq+lexicaiilis, A. obtusifo- !;a, Goaolobws tirsutus. Chrysalis : Ueli- catc green, the raised points golden, those of the third abdominal segment black on the anterior face set in a blue band. Length 22 mm.-Southernmost United States, as far
west as New Mexico and Arizona.
T. strigosa Bates. Butterfiy : Differsfrom the preceding, of which it may be only a geographical race, principally in the slightly lishter ground color and the considerably larger size of the round white spots crossing ,
the apical half of the fore wing, not including those upon or next the marginal black band ; the black veins of the under side of the hind wings are also more widely margined with a white flecking. Expanse of wings 70 mm.
Early stages unknown.- Texas.
Tribe ITHOMYINI.
Butterfly: Males provided in most
(all ?) genera with an erect row of
odoriferous hairs along the subcostal
nervure of the hind wings, but no
pockets or patches of androconia.
Females with relatively long and not
enlarged fore tarsi. -Egg: (Not known
sufficiently to distinguish them from
Limnaini.) CakrftiZlar at birth: The
body segments provided with no other
elevations than those on which the
ranged bristles are seated. Mature cat-
etfiHar: Body furnished with fleshy
short and stout appendages and also
with small papillae; markings transverse and longitudinal. Feeds onSolanaceae.
C/;å´~'ysaZi : Not dorsally tumid on abdo- men, the mesothorax unusually promi-
nent.
Synopsis of the gewra.
I. DYNOTHEA,
Buttefå´fl : Last joint
of palpi minute.
Fore wings opaque,
less than twice as long as broad.
Egg:
Unknown. Caterpillaratbirth: Ranged
appendages short, slightly bent, con-
tinuing into the second stage. Mature




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September, qoz] PSYCHE. 395
caterpillar : Naked and without append-
ages (?). ChqmzLis : Plump, with
strongly protuberant wing-cases and
mesonotum.
2. MECHANITIS. Butterjy : Last
joint of palpi minute. Fore wings
opaque, much more than twice as long
as broad. Erg: Imperfectly known ;
laid in clusters. CaterpiZZar at birth:
Ranged appendages moderately long,
pointed, not restricted to first stage. Ma- ture caterpillar : Furnished with a series of thick fleshy appendages on the lower
sides of the body. Chrysalis: Elongate
with somewhat protuberant mesonotum
'in -cases.
and scarcely protuberant u' g
3. DIRCENNA.
Bzdi'terfly : Last joint
of palpi conspicuous.
Fore wings trans-
parent, much more than twice as long
as broad. Egg: Unknown. Cater-
pillar at birth : Ranged appendages long, slightly bent, restricted to first stage. Mature caterpillar: Covered with pile.
Chrysalis : Similar to that of Dynothea. Two species of HYMENITIS have been
credited to our southern border, but
probably on insufficient grounds: dia-
phana, said to occur "from Brazil to
Virginia " ; and phono given by Gcycr
as from Florida; neither assertion has
been verified.
Dynothea Realdrt.
Butterfly: Palpi thinly clothed, with
first and second joints subequal and long, third very short ; antennae half as long as fore wings. Wings opaque ; fore
wings less than twice as long as broad,
the 'recurrent nervule in discoidal cell originating between the two lower sub-
costal nervules. Femur of male longer
than the coxa. Eg^'- Unknown. Cat-
erplllar at birth : Ranged appendages
shorter than in the other genera, slightly bent, continuing into the second stage.
Mature caterpiUar : Naked and without
appendages (?) , with a stigmata1 band.
Chrysalis : The wing-cases are strongly
protuberant along the ventral line and
the mcsonotum similarly protuberant
along the dorsal, in each case roundly
rechngulate; and thereby, a5 seen on a
side view, the anterior end of the body
is bent at an angle of nearly 80å ; abdo- men short conical.
D. lycaste Fabr. (Ceratinia ij5hicmassa
Doubt. etc.). B-alfcå´~;/& Wings LEI\T ny orange, with similar markings above and beneath. Fore wings mostly blackish outside the dis- coidnl cell and interspace beneath it, with a large oblique long squarish black spot in the el, large unequal oval orange spots in the median interspaces and a large oblique broad saffron band nearly crossing the apical half of tlie wing. Hind wings margined with a narrow humlate black band; an equally
broad black loop open on the inner margin crosses the wing enclosing subapically a small black spot at the apex of the cell. Expanse 50 ram. Early stages: Unknown.
-Southern California.




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