THE CANADIAN ENTOMOLOGIST. 321 A STUDY OF THE GENUS MENISCUS. BY G. C. DAVIS, AGRICULTURAL COLLEGE, MICH. Synopsis of species.^ Abdomen entirely black or with white margins of segments. Femora rufous or honey yellow. Antennae with yellowish annulus BetJnmei, Cr. Antennae without yellowish annulus. Areolet present. Abdominal segments without white margins. Pleurte more or less rufous, yellow spots before and beneath teguhe saitellaris, Cr. Pleurae black, a yellow spot before and beneath tegulfe siiperbiis, Prov. Pleurae black, without spot before or beneath tegulte parva, Cr. Abdominal segments margined mth. v^h.\ie...pulcherrimus, Cr. Areolet wanting. Mesothorax more or less rufous ostentator., n. sp. Mesothorax black and yellow rnirabilis, Cr. Femora black, areolet present . . S/ossonce, n. sp. Abdomen rufous, black at base. Areolet present, antennte without annulus. Posterior femora black with yellow markings elegans, Cr. Posterior femora rufous compius, n. sp. Areolet wanting, antennae with white annulus . . Michiganensis, n. sp. â– Abdomen black, banded with yellow at base of segments Jo/msonii, n. sp. Meniscus ostentator, n. sp. $ . Length, 7 5 mm.; ovipositor, 7 mm. Black, polished ; with orbital lines from occiput to middle of eyes in front, cheeks, clypeus, mandibles except tip, palpi, gula, cuneiform lines on mesonotum, tegulae, spot in front, lines beneath extending irregularly back to posterior coxae, sides of scutellum, line on lower pleura? between anterior and middle coxae, prosternum, anterior coxae, middle and posterior coxae except a black dash above and large spot inside, all the trochanters except black * Meniscus Ashmeadii, Prov., and M. marginatus, Prov., belong to Piinpla annulipes. 322 THE CANADIAN ENTOMOLOGIST. base, posterior tibire except black annulu? near base and black extremity, and tips of the abdominal segments beyond the first, yellowish-white. Remainder of legs fulvous, with a black spot at the base of all the femora and an annulus near the tip of the posterior femora ; tarsi dusky. Antenna? long, slender, black. Wings hyaline, without areolet. Meso- sternum and meso-and metapleura? rufous. Metanotum smooth, oval, coarsely punctured, with one small circular transverse carina near the- abdomen. First segment of the abdomen shining, 2 and 3 finely punc- tured. $ with the abdomen as in the ? . The Iiead is yellow except the central part of the vertex and occiput, which are black. Pronotum and a spot on the front edge of mesonotum, black ; remainder of meso- notum rufous, with yellow markings as in the ? ; scutellum, pleurae and venter, yellowish-white. Antenna? reddish-brown, with scape beneath yellow. Legs same as in $ except more yellow. Described from 3 9 ? and i (J taken at the Michigan Agricultural College. Meniscus SLossoNa?, n. sp. ?. Length, 12 mm.j ovipositor, 8 mm. Black, with lemon-yellow markings as follows : orbits, two more or less united longitudinal stripes on the front, cheeks at base of mandibles, mouth except tip of mandibles, tegulaj, minute spot beneath and dash in front, sometimes wanting, V on scutellum, post-scutellum, central spot on metanotum, tips of abdominal segments i, 2 and 3, and sometimes base of the first. Legs yellow, with all the coxte, and posterior legs with first joint of the trochanter, femora except tip and base, tibia^ except base, and tarsi, black. Antenna? black. Apex of wings infumated ; areolet large, petiolate. Thorax and head coarsely and closely punctured, metanotum rough. Abdomen shining, smooth. Described from 3 $ specimens collected at the top of Mount Wash- ington, N. H., by Mrs. Annie Trurabr.ll Slosson, to whom I take pleasure in dedicating this species. Meniscus comptus, n. sp. ? . Length, 8 mm.; ovipositor, 6 mm. Black, with abdomen beyond second segment rufous. Orbital lines nearly enclosing base of antennje, face, except three short black dashes just beneath antenna?, mouth, gula, nearly all of prothorax, tegulse, line beneath, long line in front confluent with triangular spot on mesonotum, spot in front of scutellum, scutellum THE CANADIAN ENTOMOLOGIST, o23 except a small wedge in front, post-scutellum, a large irregular diagonal spot on mesopleura, spot beneath posterior wing, circular spot just back and above, semicircle around insertion of abdomen with a ray extending forward from each coxa, and a third from the abdomen, base and apex of the first two abdominal segments, 4 anterior coxfe and trochanters, stripe on posterior coxge above and second joint of posterior trochanter, yellowish-white. Posterior cox?e and first joint of trochanter black ; posterior tarsi dusky at tips ; remainder of legs honey-yellow. Antennae black, fulvous toward the tip. Wings hyaline, infumated at the apex ; areolet small, petiolate. Entire thorax coarsely, but not closely, punc- tured. Abdomen smooth, shining. Described from 2 $ J collected at the Michigan Agricultural College. Meniscus Michiganensis, n. sp. 5. Length, 10 mm.; ovipositor, 8 mm. Black, with yellow markings; abdomen beyond second segment rufous. Broad orbital lines, entire front, scape beneath, annulus on antennae, mouth except tips of mandibles, gula, entire prothorax, tegulse, line beneath, large triangular spot in front confluent with a cuneiform line on mesonotum, extending back nearly to the scutellum, venter except anterior part of mesosternum, with a con- tinuation of the same on to the pleurae, ending in a large hook beneath the wings, metapleurte and two lines above joining posteriorly, base, apex and a large spot in the centre of the first abdominal segment, base and apex of second segment, connected by a longitudinal line, lemon-yellow. Posterior femora rufous ; 4 posterior trochanters black at base, and cox^e with black stripe above ; 2 hind cox* black inside ; extremity of posterior tibiae, and basal joint of tarsi, except tip, black ; remainder of legs lemon- yellow. Wings hyaline without areolet. Antennae brown, black above. Thorax and face coarsely, but not closely, punctured. Abdomen smooth, shining. Described from i ^ taken at the Michigan Agricultural College. ? Meniscus Johnsonii, n. sp. $. Length, 11 mm.; ovipositor, 1.5 mm. Black, with yellowish- white markings, as follows : Entire head, except occiput, spot enclosing ocelli and antennj^, narrow central line beneath, reaching to clypeus, and tips of mandibles ; prosternum ; mesothorax with two cuneiform lines on margins of mesonotum, two stripes in front of scutellum, scutellum except posterior part and spot in front, two spots beneath primary wings and 324 THE CANADIAN ENTOMOLOGIST another in front of middle coxa?, posterior part of mesosternum ; meta- thorax with a transverse row of 5 spots across the anterior part and 3 across the posterior part ; abdomen with first segment to spiracles and a short line in centre beyond, broad band at base of second and third seg- ments, narrower band at base of succeeding segments and entire venter. Antennae wanting. Legs honey-yellow, except 4 anterior coxae beneath, which are whitish, joints 3, 4 and 5 of middle tarsi, which are dusky, and' apical third of posterior tibiiy and basal fourth of first tarsal joint, which are black. Wings hyaline, somewhat infuniated around the apical margin; areolet wanting. Entire thorax punctured, metanotum rugose. Abdomen somewhat clavate, smooth and polished. Owing to the short ovipositor and shape of abdomen, this species will probably belong to a new genus, and is only temporarily placed here. Described from i specimen taken at Jamesburg, New Jersey, by Mr. Chas. W. Johnson, to whom I take pleasure in dedicating this species, as a slight token of thanks for the many valuable specimens of Ichneumonidae sent me. NEW SPECIES OF TENTHREDINID^, WITH TABLES OF THE SPECIES OF STRONGYLOGASTER AND MONECTENUS. BY ALEX. D. MACGILLIVRAY, ITHACA, N. Y. The following descriptions are offered, preparatory to publishing a list of the saw-flies of the Upper Cayuga Lake Fauna. The types are in the Entomological Collection of Cornell University. Caliroa, Costa. Caliroa Nortonia, n. sp. Body entirely black, head finely, densely punctate, clypeus emarginate, antennae black, broad, of the same width throughout, third segment one-third longer than fourth, fourth and fifth subequal in length, sinus each side of the ocelli reaching the back of the head, from each side of the lateral sinuses there is another sinus starts off behind the posterior ocelli, crossing back of the median ocellus and running down each side of this ocellus for a short distance, where it becomes obsolete ; tegular and collar very narrowly dull white, thorax and abdomen glossy black ; legs white, coxae, trochanters, basal half anterior and basal two-thirds of middle and posterior femora black,