Top Photo: Soldier fly larvae feeding in our wetland. I’m not sure of the species level identification but the larvae in the photos above and below seem to belong to the genus Stratiomys. They’re a genus of soldier fly which apparently lays eggs in the water. The adults are bee or wasp mimics and feed on nectar and pollen. The larvae that hatch from the eggs deposited by the adults eat detritus on the bottom of a shallow, muddy pondRead more
Posts filed in: Insects
Early Fall Things To Discover
Top Photo: Yellowjacket picking over annual cicada. The yellowjacket in the images above and below is scavenging protein from a dead cicada on the path. Yellowjacket larvae back in the hive are fed protein in the form of whole insects or chunks of meat harvested from caterpillars and other larger animals, even from a picnicker’s ham sandwich. The yellowjackets take the meat back to the hive and feed it directly to larvae in cells within the hive after it’s beenRead more
Katydids
Top Photo: Angle-wing katydid (Microcentrum retinerve). Katydids belong to a group of insects known as Orthoptera which references the straight or parallel-sided aspect of their wings (ortho = straight, ptera = wing). This group includes grasshoppers, locusts, crickets, and katydids. You can usually distinguish katydids from the others by their longer antennae, though some types of crickets do indeed have long, thin sensory appendages. There are many kinds of katydids. The two mentioned here are an angle-wing katydid and aRead more
Spittlebug
Top Photo: Spittle on muscadine grape stem. The white gooey substance on the grape stem, above and below, may at first appear to be spit or saliva, it’s not. The viscous, sticky stuff on the stem is called spittle. It’s created by spittlebug nymphs, insects. After hatching from eggs laid in or on the grape vine, nymphal spittle bugs begin feeding, sucking juices from the plant. This goes through the insect’s body and is forced out of the anus. MixedRead more
Banded Sphinx
Top Photo: Banded sphinx moth caterpillar preparing to chew on wingleaf primrose-willow in wetlands. Last September, I photographed a banded sphinx moth (Eumorpha fasciatus) caterpillar on an end-of-the-season wingleaf primrose-willow (Ludwigia decurrens) in the wetlands. There were only a hand-full of those plants in the wetlands at the time. This year, there are many. The larvae may be green-themed, red, black, or multi-colored. The genus name Eumorpha means “well formed” or “good shape” and the species name fasciatus refers toRead more
Paper Wasp, Caterpillars, and Butterflies
Top Photo: Paper wasp investigates fall webworms’ protective “tent.” Fall webworms (Hyphantria cunea) are already forming their protective webs in some of the trees here at the museum. The webs, or tents, are full of caterpillars who spend their lives inside the web, never venturing out to eat. The webs cover the area in which the caterpillars are feeding. The larvae only come out when its time to pupate in the leaf liter, the soil, or cracks and crevices inRead more
A Moon Moth and a Monarch
Top Photo: Luna moth waits out the day clinging to a conifer. It’s always exciting to see a luna moth, whether its clinging to vegetation or gracefully fluttering though the trees. Though nocturnal, they’re quite often seen during the day. Males can be told from females by much broader, feathery antennae. The female’s antennae are feathery, but much less so. The added material on the male’s antennae assists in picking up the scent of pheromones given off by the females.Read more
Tussocks and Other Summer Treats
Top Photo: Sycamore tussock moth caterpillar crawls along railing. If there are sycamore trees in the area you’re likely to run into one or more of these fuzzy, tufted caterpillars. The adult sycamore tussock moth has tan wings crossed with slightly darker bands on translucent membranes. More common and widespread than the sycamore tussock moth caterpillar, is the white-marked tussock moth caterpillar. It’s been reported munching on over 140 host plants including conifers. White-marked tussock moth’s adult form is aRead more
Spiny-backed Spider and More
Top Photo: Spiny-backed orb weaver (Gasteracantha cancriformis) Only about 1/2” wide, spiny-backed orb weavers are distinctive for their shape and pattern. The individual pictured is mostly white with black markings and red spikes. But, they may also be yellow or red with shades in between. The spines may be black. Some suggest the spines may deter predators such as birds or even subterranean-nesting, spider-seeking, solitary wasps. I doubt birds would be put off by the spikes. I must admit, though,Read more