Spiny Oakworm Moth in Anne Arundel Co., Maryland (8/22/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). Photo by Matthew Beziat. (MBP list)
A Spiny Oakworm Moth caterpillar at Patuxent Research Refuge, Maryland (9/1/2012). Photo by Bonnie Ott. (MBP list)
A Spiny Oakworm Moth in Charles Co., Maryland (8/25/2010). Photo by Eric Gofreed. (MBP list)
A female Spiny Oakworm Moth in Anne Arundel Co., Maryland (7/14/2014). First of a series of 12 photos showing larval development. Night 0 - A Spiny Oakworm Moth mother finds my exterior light. Photo by Timothy Reichard. (MBP list)
The eggs of a Spiny Oakworm Moth in Anne Arundel Co., Maryland (7/15/2014). Night 1 - The mother is gone, but clumps of orange eggs appeared. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/15/2014). Night 1 - She also laid these 2 eggs on the siding, a bit isolated from the large clusters. I photographed these 2 eggs on subsequent nights to follow the larval development. The egg shells are clear, and the contents are orange. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/17/2014). Night 3 - A darker region appears in each egg. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/19/2014). Night 5 - The dark regions turn red. The larvae are the parts that remain orange. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/21/2014). Night 7 - Development continues. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/22/2014). Night 8 - The larvae's segments become more visible. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/23/2014). Night 9 - The abdominal segments turn pale, the heads remain orange, and the face darkens. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/24/2014). Night 10 - The large heads are more obvious now. The eggs are running out of room for the larvae. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/25/2014). Night 11 - It appears that the egg goo is depleted, and all that's left are larvae and egg shells. The heads have darkened. Photo by Timothy Reichard. (MBP list)
Spiny Oakworm Moth eggs in Anne Arundel Co., Maryland (7/26/2014). Night 12 - The larvae remain inside these eggs, though the egg shell has been ruptured near the heads. The larvae probably began to work on escaping the shells, but are taking a break. Meanwhile... Photo by Timothy Reichard. (MBP list)
First instar Spiny Oakworm Moth caterpillars in Anne Arundel Co., Maryland (7/27/2014). Night 12 - Even though the two larvae hadn't emerged, nearly all of the other larva had done so between Nights 11 and 12. There were more than 150 caterpillars that emerged. Photo by Timothy Reichard. (MBP list)
A Spiny Oakworm Moth with ovae in Howard Co., Maryland (7/12/2017). Photo by Anthony VanSchoor. (MBP list)
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