Cylindrocaulus patalis

{{Short description|Species of beetle}}

{{Taxobox

| name = Cylindrocaulus patalis

| image = Cylindrocaulus patalis sjh.jpg

| image_width = 250px

| image_caption = Cylindrocaulus patalis, adult

| regnum = Animalia

| phylum = Arthropoda

| classis = Insecta

| ordo = Coleoptera

| familia = Passalidae

| genus = Cylindrocaulus

| species = C. patalis

| binomial = Cylindrocaulus patalis

| binomial_authority = (Lewis)

}}

Cylindrocaulus patalis is a beetle of the family Passalidae.{{Cite web |title=Unusual Features in the Compound Eye of Cylindrocaulus patalis (Lewis)(Coleoptera : Passalidae) - 国立国会図書館デジタルコレクション |url=https://dl.ndl.go.jp/info:ndljp/pid/10656097 |access-date=2022-12-02 |website=dl.ndl.go.jp |language=ja}} It is found in Japan. The larval period is only a month, likely due to parental care. The adults feed on wood.{{Cite journal |last1=Mishima |first1=Tatsuya |last2=Wada |first2=Noriko |last3=Iwata |first3=Ryûtarô |last4=Anzai |first4=Hirosi |last5=Hosoya |first5=Tadatsugu |last6=Araya |first6=Kunio |date=June 2016 |title=Super-Protective Child-Rearing by Japanese Bess Beetles, Cylindrocaulus patalis: Adults Provide Their Larvae with Chewed and Predigested Wood |journal=Insects |language=en |volume=7 |issue=2 |pages=18 |doi=10.3390/insects7020018 |issn=2075-4450 |pmc=4931430 |pmid=27128944 |doi-access=free }}