. Bulletin. Natural history; Natural history. 340 Natural History Sl'rvhv ,i:tin I'ol. 22. Art. 2 eyes than width of pronotuni; median ocellus located about on a line with an- terior margins of compound eyes, lateral ocelli located well anterior to a line con- nectinji posterior marjjins of compound. <S Abdominal segments Fig. 119.—Chlnntperla trrna. eyes, distance between lateral ocelli great- er than distance between lateral ocellus and adjacent compound eye. Pronotuni much wider than long; later- al margins bordered with a wide black or a fuscous line, fig. 119. Legs yello
. Bulletin. Natural history; Natural history. 340 Natural History Sl'rvhv ,i:tin I'ol. 22. Art. 2 eyes than width of pronotuni; median ocellus located about on a line with an- terior margins of compound eyes, lateral ocelli located well anterior to a line con- nectinji posterior marjjins of compound. <S Abdominal segments Fig. 119.—Chlnntperla trrna. eyes, distance between lateral ocelli great- er than distance between lateral ocellus and adjacent compound eye. Pronotuni much wider than long; later- al margins bordered with a wide black or a fuscous line, fig. 119. Legs yellow- ish green, except for fuscous tarsal seg- ments. Dorsum of abdomen with a median longitudinal series of fuscous spots form- ing a line from first to eighth tergite and with a shorter fuscous line on the lateral margins of the first three basal segments, fig. 119; supra-anal process or hook very small, dark colored at tip, shaped as in fig. 119, and but slightly inset or recessed on tenth tergite; seventh sternite with a small lobe in middle of posterior mar- gin, fig. 119. Cerci short, composed of 7 to 8 segments several times longer than wide. Wings extending well beyond tip of abdomen ; with membrane and veins pale; a small anal lobe on hindwing, fig. lib; forewing with \enation as in fig. lib. Length to tip of wings b mm.; length to tip of abdomen 4 mm. Female. — Head, thorax, basal seg- ments of abdomen and appendages in gen- eral similar to those of male but slighth' larger in size. Differs in having eighth abdominal sternite with a slightly pro- duced, rounded subgenital plate, fig. 119. Holotype, male.—West Topsham, Waits River, Vt.: June 21, 1941, T. H. Prison & H. H. Ross. Allotype, female.—Same data as for holo- type. Paratypes.—New York.—Small creek 3 miles west of Keeme: June 20, 1941, T. H. Prison & H. H. Ross, 16. EuBA , Adirondack State Park: June 20, 1941, T. H. Prison & H. H. Ross, 1 9 . Tennessee.—, Little Pigeon Riv
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
