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Beat Sheet the Newsletter of the Colorado Spider Survey Denver Museum of Nature and Science, Zoology Department, 2001 Colorado Blvd., Denver, CO 80205

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Beat Sheet the Newsletter of the Colorado Spider Survey Denver Museum of Nature and Science, Zoology Department, 2001 Colorado Blvd., Denver, CO 80205 Beat Sheet The Newsletter of the Colorado Spider Survey Denver Museum of Nature and Science, Zoology Department, 2001 Colorado Blvd., Denver, CO 80205 Number 31 December 2018 Table of Contents NSF funded REU (Research Experience for nsisArachnology Lab Update ............................... 1 Undergraduates) student, Lance Herrera, has been Upcoming Events ............................................ 1 busy increasing the digitization (imaging) of In Memoriam .................................................. 2 solifuge specimens in the DMNS arachnology Arachnid Resources ....................................... 2 collection. See “Arachnid Resources” section of the Arachnids in the News ................................... 2 newsletter for a link to our solifuge images. Participant News ............................................. 3 Upcoming Events Arachnology Lab Update January 10th Lecture: The Truth about Camel th The National Science Foundation (NSF) solifuge grant Spiders: January 10 from 3 – 4 p.m. Paula will give is going full speed (see Beat Sheet #30). Paula a lecture about the camel spider research program. presented on the DMNS solifuge (camel spider) This lecture is only open to current Museum research program in November during the annual volunteers and will be in the Volunteer Engagement meeting of the Entomological Society of America in Center at the Museum. Vancouver, British Columbia at an invited symposium Late January/early February General Arachnology during which other colleagues presented about the Class: January 28, 30 and February 6 and 8 from cutting edge research being done in arachnology. 6:30 – 8:30 p.m., Paula will teach General In February 2019, NSF-funded doctoral student, Erika Arachnology at the DMNS. Learn the evolutionary Garcia and Master of Science student, Ryan Jones and history of arachnids—such as scorpions, camel Paula will attend the International Congress of spiders, daddy longlegs, and ticks—the natural Arachnology (ICA) meeting in Canterbury, New history and biology of the different groups, and the Zealand. Erika and Ryan will present posters on medical and economic importance of these animals. morphological structures on the pedipalps and Experience a behind-the-scenes look at the wealth of abdomen of camel spiders that may be diagnostically specimens in the zoology collections with Dr. Paula informative (may be similar for different branches of Cushing, curator of invertebrate zoology. This 8 the Eremobatidae evolutionary tree). Their data were hour class costs $75 for Museum members and $105 acquired largely through the use of the newly for non-members. There are still a few slots purchased benchtop Scanning Electron Microscope available. Go to (SEM) – another NSF funded improvement to the http://www.dmns.org/learn/adults/classes/general- research capabilities of the Museum. arachnology/ to register. th At the 2019 ICA meeting, Paula will give an overview March 28 7 – 9 p.m. Collegiate Peaks Forum Series of the lab’s solifuge research program. During the ICA Lecture “On a Silken Thread”: Buena Vista meeting, Paula will also give a presentation about Community Center, 715 E. Main Street, Buena curatorial best practices and the importance of online Vista, Colorado. Paula will be giving a lecture about databases for the research community. She will also our favorite beasties. The lecture is free. give a presentation at an invited symposium about April 14th “Spider Fact and Fancy” lecture by Paula: “arachnological outreach for community engagement, This lecture will be given at the 1st Bank Center in conservation and research.” Paula will talk about how Broomfield, Colorado as part of the Colorado she gets paraprofessionals involved in the arachnology Lifestyle Expo. More details will be sent via the program at the DMNS. Arachnophile email distribution list. 1 June 16 – 20th American Arachnological Society from the University of Colorado, Boulder; and her hecklistannual ofmeeting: spiders The found 2019 in AASOhio meeting will be PhD from Yale University. She was known for her held at Washington and Lee University in work with wolf spiders in the genus Pardosa and Lexington, Virginia. More information about this had a species, Pardosa vogelae, named after her. meeting (and joining this scientific society) can be Her private collection of spiders formed the basis found at: http://www.americanarachnology.org/ for the now extensive arachnology collection at the DMNS. The archives at the DMNS also hold all her In Memoriam many years-worth of field notes. She was also known for her social activism and was involved in the anti-war demonstrations at Kent State and marched for women’s rights. Her obituary is posted at https://helenair.com/news/local/obituaries/vogel- beatrice-roesle/article_0a7318d5-bc93-538a- 9877-a0f1a071b7b2.html. Arachnid Resources The DMNS Arachnology data can be found (and Sheila Cox died March 18, 2018. Sheila was a searched) at http://scan-bugs.org/portal/index.php committed DMNS volunteer –mostly in the bird . collection but also collecting spiders for the As part of our NSF-funded project studying camel arachnology collection during her frequent jaunts spiders in the family Eremobatidae, we are creating in the wilds of Colorado. Sheila was known for her an online photo guide to species in this family with crazy humor and good nature. She went along on the help of REU student Lance Herrera and high many early Colorado Spider Survey collecting trips school intern, Felix Channiago. To see some of in the late-1990s. You can read more about Sheila’s Lance and Felix’s marvelous photos, go to remarkable life at: http://scan- https://www.legacy.com/obituaries/name/sheila- bugs.org/portal/checklists/checklist.php?cl=108 cox-obituary?pid=188518701 ArachnoServer (http://www.arachnoserver.org/mainMenu.html;js essionid=5C91CF30518F874969D18BF5B23C6E 8B) is an online database containing information on proteins associated with spider venoms. Arachnids in the News Maybelline spider models? In August, Lisa Taylor’s lab at the University of Florida gave jumping spiders a makeover by painting over the bright red markings on the cephalothorax of the jumping spider Habronattus pyrrithrix with black eyeliner or giving species of the genus Maevia false eyelashes to test how important the male’s visual signals are in attracting mates. Clearly this Bea Vogel died on December 7th. Bea was 88 and represents a new market for make-up retailers! died from injuries sustained after climbing up a New species of high elevation tarantulas described. step ladder. If you knew Bea, that spirit of In August, Nelso Feretti and colleagues described independence and do-it-yourself attitude would not several new species of tarantulas in the genus surprise anyone! Bea was the first President of the Hapalotremus, some of which live more than American Arachnological Society and was 14,700 feet in elevation high in the Peruvian instrumental in the official formation of that Andes. society. She was born in Montana, where she also died; received her Bachelor of Science degree from “Migrating tarantulas” in southern Colorado. The Stanford University; her Master of Science degree annual mass movement of lonely male tarantulas 2 seeking love in southern Colorado received a lot of may be derived from unfertilized eggs in the hecklistgood press of spiders this year. found In inSeptember, Ohio the Denver female’s abdomen that the mother has recycled into Channel interviewed Paula about this mating this yummy food. The study was published in the movement of male tarantulas in the genus journal Science. And cows thought they were soo Aphonopelma. As readers of the Beat Sheet know, special! in late summer / early fall, male tarantulas leave Gift giving spiders. Just in time for the holidays, a their natal burrows to find females, who stay put in study published in the Journal of Arachnology by their own burrows. When a lucky lady love is found Michael Maxwell and Pavol Prokop tests the (probably via airborne pheromones), the male benefits of gift giving in the nursery web spider, knocks outside her burrow and may even waft Pisaura mirabilis. Males of this species (and in perfumes of his own to entice her out. Read more many others) present gifts to potential mates in the about this annual phenomenon at: form of silk wrapped insect prey. Although https://www.thedenverchannel.com/news/local- catching and wrapping (but not feeding on) an news/troops-of-tarantulas-arachnids-become- insect gift may be metabolically expensive for commonplace-in-southeastern-colorado-during- males, such nuptial feeding, or gift giving, may mating-season benefit the male if the gift is attractive to a potential Also in September, Paula’s colleague, Brent mate and, thus, maximizes the male’s chance of Hendrixson, who happens to be a tarantula expert mating; if the gift distracts the often larger female, was in town to visit family so Paula convinced him keeping his lady love from cannibalizing him; and to give a tarantula talk at the Museum (his talk was if the gift increases the number of offspring he sires excellent). And the day before, Paula was with the female. The authors found that males were scheduled to give an interview on the radio show able to copulate longer with females if they “Colorado Matters” about the male tarantula presented her with larger gifts (in this case, movement so she convinced the radio host to have wrapped crickets). Males were also more likely to two spider experts on the show. Listen to Paula and successfully
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