Rio-grande-valley
Guides
Amblycorypha rivograndis
Rio Grande Valley False Katydid
Amblycorypha rivograndis is a species of round-headed katydid in the family Tettigoniidae, first described by Thomas J. Walker in 2004. The specific epithet "rivograndis" refers to the Rio Grande Valley, indicating its geographic association with this region of southern Texas and northeastern Mexico. Like other members of the genus Amblycorypha, it belongs to a group commonly known as false katydids or bush-crickets, recognized for their remarkable leaf-mimicking camouflage.
Aphonopelma moderatum
Rio Grande Gold Tarantula
Aphonopelma moderatum, commonly known as the Rio Grande Gold Tarantula, is a species of tarantula endemic to the Rio Grande Valley of Texas. It is a medium-sized member of the genus Aphonopelma, with females exhibiting distinctive orange and black coloration and exceptional longevity. The species is known for its docile temperament in captivity and has been observed in burrowing behavior as spiderlings, though adults often occupy hides rather than constructing deep burrows.
Hermeuptychia hermybius
South Texas Satyr
Hermeuptychia hermybius is a small brown butterfly in the Nymphalidae family, described in 2014 from Texas and northeastern Mexico. It was discovered through genetic analysis of populations initially thought to be Carolina Satyr (H. sosybius), revealing cryptic diversity in this well-studied butterfly group. The species is closely related to H. sosybius but distinguished by genitalia morphology and DNA sequences.
Rothschildia lebeau
Lebeau's Silk Moth, Forbes Moth
Rothschildia lebeau is a giant silkmoth in the family Saturniidae, distributed from the Lower Rio Grande Valley through eastern Mexico to Brazil. Adults are short-lived and do not feed, relying on fat reserves accumulated during larval development. The species exhibits a life history tradeoff between larval survival and adult body size based on host plant quality, with larger males showing higher mating success.
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lebeau forbesi
Forbes' Silk Moth, Forbes Moth
Rothschildia lebeau forbesi, commonly known as Forbes' Silk Moth, is a subspecies of giant silkmoth in the family Saturniidae. It ranges from the Lower Rio Grande Valley through eastern Mexico to Brazil. Adults are frequently mistaken for the Atlas Moth due to distinctive transparent "windows" in their wings that lack scales. Like other giant silkmoths, adults do not feed and live only a few days, surviving on fat reserves accumulated during the larval stage.