. Bulletin. Natural history; Natural history. Fig. 56.âPotamant/ius verticis, dorsal aspect of head of adult male. Fi^. 57.âPotamanthus myops, dorsal aspect of head of adult male. Fig. 58.âPotamanthus distinctus, dorsal aspect of head of adult male. color markings fade rapidly after death. Male.âLength of body 10-13 mm., of This fading occurs much more rapidly in fore wing 11-14 mm. Compound eyes small, alcoholic than in dried specimens. fig. 57; wings completely hyaline, with no Reliable specific characters for the nymphs crossveins black; abdomen without lateral, of this genus have not been
. Bulletin. Natural history; Natural history. Fig. 56.âPotamant/ius verticis, dorsal aspect of head of adult male. Fi^. 57.âPotamanthus myops, dorsal aspect of head of adult male. Fig. 58.âPotamanthus distinctus, dorsal aspect of head of adult male. color markings fade rapidly after death. Male.âLength of body 10-13 mm., of This fading occurs much more rapidly in fore wing 11-14 mm. Compound eyes small, alcoholic than in dried specimens. fig. 57; wings completely hyaline, with no Reliable specific characters for the nymphs crossveins black; abdomen without lateral, of this genus have not been found. salmon-pink spots or stripes, or, rarely, with small, faint, lateral spots discernible in KEY TO SPECIES living specimens; caudal filaments with ar- ticulations usually slightly darkened with Adults . . . red-brown or pmk. 1. Abdomen usually entirely unmarked, i?^..^ t ..uiujiii? l ,1 \, UA â \ I r EMALE.âLength of body 11-13 mm., of occasionally each abdominal segment ^ â¢' ' with a faint, minute, pink spot on^either fore wing 12-14 mm. Eyes same size as m side; crossveins in fore wing hyaline in male; wings with no crossveins black; ab- each sex; compound eyes of male small, domen without lateral, salmon-pink spots or fig. 57 1, myops . j i ri . vu .⢠i .â Abdomen with large, well-marked, lateral, ^^"P^^: '^^"^^l filaments wi h articulations salmon-pink spots or stripes 2 usually slightly darkened with red-brown or 2. Abdomen with lateral stripes; fore wing pink. in each sex with black crossveins; com- Known from Illinois, Indiana, Iowa, Kan- pound eyes or male moderate in size, t»,t- l- j wt- ⢠t-> i ^ ^g 3_ distinctus ^^''' Michigan, and Wisconsin. Uevelops in Abdomen with lateral spots 3 large and moderate-sized rivers. 3. P^male with crossveins of each fore wing Illinois Records.âAdult specimens, col- black, male with those crossveins hy- 1^^.^^^ j^^e ^ ^^ August 17, are from Aurora aline, or with onlv a rew or the anterior ,^ * . s
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
