South Carolina Anting

A couple of weeks ago the Mississippi Entomological Museum staff headed to South Carolina for the annual William H. Cross Expedition.  This expedition is a commemorative trip of sorts honoring William H. Cross (1928-1984) who devoted much of his professional life to studying the geographic distribution and morphological and ecological variation of arthropods. Dr. Cross was instrumental in founding the Mississippi Entomological Museum in 1979, and he served as its unofficial director for a year. The William H. Cross Expedition Fund was created following Dr. Cross’s death while on a collecting trip in Mexico, and the fund has been endowed in the Mississippi State University Development Foundation through private donations.

This year’s journey took place in Cheraw State Park and Carolina Sandhills National Wildlife Refuge in eastern Chesterfield County, SC during 8-13 July 2013. The habitat here was predominately longleaf pine forest with scattered scrubby turkey oak sandhill habitat. Of course, our collecting was not centered around just ants, but, since this is an ant blog, I will confine my longwinded writings to the Formicidae collected during this trip.

During the trip, JoVonn and I were certainly the most serious about collecting ants, but Terry Schiefer also picked up some nice species such as Pseudomyrmex ejectus and P. pallidus while beating trees and shrubs. In addition to our typical ant collecting methods, I also snagged several species at blacklights including the likes of Camponotus obliquus. 

In total, we collected 55 species of ants, which I thought was pretty good considering we basically collected them in only about three days and nights. We spent all day Monday driving to SC and all day Saturday driving home. So throw those days out. It rained a bunch Thursday and Friday, and even quite a bit Tuesday afternoon. Of these species, three were new for the state including Lasius murphyi, Pheidole floridana, and Ponera exotica!

The most common ant that we found was Pachycondyla chinensis, the Asian needle ant. This introduced species was pretty much everywhere. Nests were in leaf litter, in and under logs, under debris, and in the soil. Winged females and males were common at the blacklights as well. I was stung by several females at a blacklight on our first night of collecting. NOT FUN! The burning sensation from the stings lasted 30-45 minutes. Solenopsis invicta, the red imported fire ant, was also common here.

Some cool ants that we collected included Formica subintegra, a slave making species that was raiding a colony of F. subsericea.  JoVonn found workers of the  army ant Neivamyrmex carolinensis foraging near the Malaise trap. Pretty cool. I collected Proceratium pergandei in leaf litter right behind the cabin. Also, I found several colonies of the big headed ant Pheidole crassicornis nesting in open areas in the park, including right beside the cabin.

Anyway, lots of ants in a short period of time. Check out the entire list at [link].

Upon returning from the Cross Trip, I had an email from a South Carolina resident who thought he had collected Pseudomyrmex gracilis from the state, a new record. He sent me the specimen and data, and it was indeed, this species. Cool.

For the complete list of South Carolina ants, check out my site here [link].

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Joe MacGown on Animal Planet’s Infested talking about crazy ants

Hairy crazy ants (tawny crazy ants) are in the international media once again. A segment of an episode of “Infested” is currently airing on the Animal Planet network. I was interviewed this past fall for the show. Episodes on Infested are not meant to be scientific studies, but rather dramatizations showing worst case scenarios of various pest species of animals. However,  in this case, the producers did a pretty good job of not exaggerating the problems posed by crazy ants, and in general the show was fairly accurate scientifically. This species of ant, now know to be Nylanderia fulva, a South American species, is indeed a serious pest. Extremely high populations cause serious nuisance issues, reduce biodiversity, and commonly short out electrical equipment. Learn more about the crazy ant at the MEM ant site [link].

The format of Infested shows features interviews with homeowners and specialists (in this case, me) and reenactments featuring Canadian actors who resemble the actual people involved.

This episode can still be viewed on the Animal Planet network, or can be viewed online at:  “http://animal.discovery.com/tv-shows/infested/videos/hairy-crazy-ant.htm

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Mississippi Entomological Museum Ant Collection Continues to Expand

The Mississippi Entomological Museum ant collection continues to expand due to lots of collecting by the MEM Staff, donations and exchanges with wonderful collectors from across the United States, screening of various traps run by APHIS, and retention of borrowed material.

Notable donations from the last few years include ants collected from the Smokey Mountains and southern MS (including Horn Island) by Tim Lockley (MS); cavity nesting species collected from various locales by Rick Duffield (MD); and ants collected in Arkansas by Dave General and Lynn Thompson (truckload of vials). Smaller donations have by made by numerous collectors such as Heath Richter (Mobile, AL); Doug Booher (Athens, GA); Matt Blaine; Mark Deyrup (Archbold Biological Station, FL); Julian Relasco (Gainesville, FL); Michael Skvarla (AR); Paul Davison (AL); Jian Chen (Stoneville, MS); Stoy Hedges; and a bunch of other awesome ant collectors!

Additionally, we are building up large quantities of ants in vials from APHIS collections that our screened by MEM staff. This includes material from across the Southeast, but especially from MS, AL, and KY.

Exchanges have been quite useful as well and this past year we obtained some exquisitely pinned material from the western US  from Robert Hamton (CA). Of course, numerous specimens have been retained from various institutions and/or researchers who either loaned us material or had me identifying material for them.

The influx of material is impossible to keep up with, but gradually is and will be looked at and incorporated into the collection.

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New ant blog about southeastern ants.

Well, I decided to start a blog about ant of the Southeast. Why not, I have lots of info.

 

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