1. The " Polyergus rufescens " workers perform no work apart from nest raiding. 2. "Acanthopelma rufescens " is a species of spider belonging to the family Theraphosidae ( tarantulas ). 3. Sawfly larvae formed 43 % of the diet of chestnut-backed chickadees ( " Poecile rufescens " ). 4. Note : Some sources consider " Correbia rufescens colombiana " a separate species, " Correibia colombiana" 5. The genus has two species, " Acanthopelma beccarii " in Guyana and " Acanthopelma rufescens " in Central America. 6. Articles do not need to make claims of importance-that's why we have numerous articles about obscurities such as Hydnum rufescens . 7. Sizes vary from ( " Haliotis pulcherrima " ) to while " Haliotis rufescens " is the largest of the genus at. 8. The "'Brazilian arboreal mouse "', " Rhagomys rufescens ", is a South American rodent species of the family Cricetidae. 9. The forewing upperside is similar in general appearance to that of " Xylophanes rufescens ", but the pattern of lines and spots is more contrasting. 10. ""'Elisolimax rufescens " "'is a species of air-breathing land snail or terrestrial pulmonate gastropod mollusks in the family Helicarionidae.