{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T22:41:27Z","timestamp":1792449687384,"version":"4.5.0"},"reference-count":87,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2020,4,17]],"date-time":"2020-04-17T00:00:00Z","timestamp":1587081600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["IOS #1122115 and IOS #1448393"],"award-info":[{"award-number":["IOS #1122115 and IOS #1448393"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Toxins"],"abstract":"<jats:p>Pain, though unpleasant, is adaptive in calling an animal\u2019s attention to potential tissue damage. A long list of animals representing diverse taxa possess venom-mediated, pain-inducing bites or stings that work by co-opting the pain-sensing pathways of potential enemies. Typically, such venoms include toxins that cause tissue damage or disrupt neuronal activity, rendering painful stings honest indicators of harm. But could pain alone be sufficient for deterring a hungry predator? Some venomologists have argued \u201cno\u201d; predators, in the absence of injury, would \u201csee through\u201d the bluff of a painful but otherwise benign sting or bite. Because most algogenic venoms are also toxic (although not vice versa), it has been difficult to disentangle the relative contributions of each component to predator deterrence. Southern grasshopper mice (Onychomys torridus) are voracious predators of arthropods, feeding on a diversity of scorpion species whose stings vary in painfulness, including painful Arizona bark scorpions (Centruroides sculpturatus) and essentially painless stripe-tailed scorpions (Paravaejovis spinigerus). Moreover, southern grasshopper mice have evolved resistance to the lethal toxins in bark scorpion venom, rendering a sting from these scorpions painful but harmless. Results from a series of laboratory experiments demonstrate that painful stings matter. Grasshopper mice preferred to prey on stripe-tailed scorpions rather than bark scorpions when both species could sting; the preference disappeared when each species had their stingers blocked. A painful sting therefore appears necessary for a scorpion to deter a hungry grasshopper mouse, but it may not always be sufficient: after first attacking and consuming a painless stripe-tailed scorpion, many grasshopper mice went on to attack, kill, and eat a bark scorpion even when the scorpion was capable of stinging. Defensive venoms that result in tissue damage or neurological dysfunction may, thus, be required to condition greater aversion than venoms causing pain alone.<\/jats:p>","DOI":"10.3390\/toxins12040260","type":"journal-article","created":{"date-parts":[[2020,4,21]],"date-time":"2020-04-21T05:48:52Z","timestamp":1587448132000},"page":"260","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Defensive Venoms: Is Pain Sufficient for Predator Deterrence?"],"prefix":"10.3390","volume":"12","author":[{"given":"Crystal N.","family":"Niermann","sequence":"first","affiliation":[{"name":"Department of Biology, Sam Houston State University, Huntsville, TX 77340, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Travis G.","family":"Tate","sequence":"additional","affiliation":[{"name":"Department of Biology, Sam Houston State University, Huntsville, TX 77340, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amber L.","family":"Suto","sequence":"additional","affiliation":[{"name":"Department of Integrative Biology, Michigan State University, East Lansing, MI 48824, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rolando","family":"Barajas","sequence":"additional","affiliation":[{"name":"Neuroscience Program, Michigan State University, East Lansing, MI 48824, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hope A.","family":"White","sequence":"additional","affiliation":[{"name":"Neuroscience Program, Michigan State University, East Lansing, MI 48824, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9823-2170","authenticated-orcid":false,"given":"Olivia D.","family":"Guswiler","sequence":"additional","affiliation":[{"name":"Department of Integrative Biology, Michigan State University, East Lansing, MI 48824, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen M.","family":"Secor","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences, University of Alabama, Tuscaloosa, AL 35487, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashlee H.","family":"Rowe","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Oklahoma, Norman, OK 73019, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2524-7678","authenticated-orcid":false,"given":"Matthew P.","family":"Rowe","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Oklahoma, Norman, OK 73019, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,4,17]]},"reference":[{"key":"ref_1","unstructured":"King, G.F. 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