| OCR Text |
Show 250 I. Sixth antennal joint much shorter than the first B. Sixth antennal joint nearly or quite twice as long as broad. 1. First antennal joint as long as the fourth to the sixth joints inclusive, a. Furnished with both tegmina and wings. * Antenna with more than twenty joints. LABEDURA. Body flattened only in front, the abdomen tumid, especially above. Antennas a little more than half as long as the body, the first joint enlarging much toward the tip: prosternum of equal width in front and behind. Tegmina and wings present; first tarsal joint equal to the other two, the second simple, third with no pad; second and third abdominal segments without lateral plications; forceps moderately stout, rather simple, slightly arcuate, distant at base ( 3), or straight, incurved at tip, approximate ($). 1. riparia Pali. A very variable species, but usually with the head dark castaneous; pronotum and tegmina dark fuscous, with an inner pale band; wings fuscous, pale interiorly; abdomen blackish above, castaneous on sides and also on dorsum of last segment; the legs luteous; antennae with 27- 30 joints; forceps of male with a slight tooth beyond middle of inner edge. Length20mm; forceps: $ generally about half the length of body, but sometimes much more; 9 S*". Texas, Florida, Cuba, Mexico, ( and nearly the whole world). I [ Labidura advena Mein. from Jamaica is unknown to me, and the description inaccessible.]- •• Antennae with less than twenty joints. I PSALIS. Body stout, the abdomen rather tumid; antennas less than half as long as the body, the first joint long and increasing but little in size apically; prosternum broadening anteriorly. Tegmina and wings present: first tarsal joint equal to the other two, the second simple, the third padless; no lateral plications on abdomen; forceps slender, cylindrical, arcuate, < widely distant (£), or stout, trigonate at base, attin-gent, straight, and incurved at tip ( 9). c Wings extending conspicuously beyond the tegmina. •&• | a.} Wings extending but slightly beyond the tegmina, ( 1. gagatina. C Tegmina with a light- colored spot on darker ground, b. } 2. proctra* | ( Tegmina unicolorous 3. amerhana-t l . gagatina King. Shining piceous, the thirteenth and fourteenth and sometimes the adjoining joints ot I antennae pale; tarsi and tibise rufous at the tip. Teg- | raina short; abdomen punctuiate. Length 19mm; forceps 4- 5 ™ ™ . Porto Eico. |
