THE TIME OF EMERGENCE OF LEPIDOPTEROUS IMAGINES. 149 
Aglais (Vanessa) urticae, 9.0 a.m. 
Apatura iris, 5.80 p.m., 6.15 p.m., 9.0 p.m., 11.80 p.m. 
Satyrus semele, 10.0 p.m. 
Ruralis (Thecla) betulae, 9.0-10.0 a.m. 
Celastrina (Cyaniris) argiolus, 9.0 a.m., 9.50 a.m., 10.0 a.m., 6.30 
m. 
Manduca (Acherontia) atropos, forced, 5.80 p.m. (2), 8.0 p.m., 9.0 
p-m., 9.0-10.0 p.m., 9.30 p.m. (2), 10.40 p.m., after midnight (6), 6.0- 
7.0 a.m. 
Amorpha (Smerinthus) populi, morning, 9.0 a.m. 
Aeyeria (Sesia) andrenaeforniis, morning. 
Aegeria (Sesia) myopiformis, 10.0 a.m. 
Aeyeria (Sesta) culiciformis, 7.50 a.m. 
Aegeria (Sesia) formicaeformis, noon. 
Zygaena jilipendulae, morning. 
Farias chlorana, 9.80 a.m., 10.380 a.m., midnight, night. 
Lithosia lurideola, 12.30 a.m. 
Callimorpha dominula, morning, before 10.0 a.m. 
Arctia caia, 8.80 a.m., 9.80 a.m., 10.30 a.m. (2), morning, 12.30 
p-m., 2.30 p.m., 3.30 p.m., 4.0 p.m., 4.30 p.m., 10 p.m. (2). 
Arctia villica, 5.0 p.m., 12.30 a.m. 
Spilosoma mendica, in night. 
Spilosoma menthastri, 8.0-9.0 a.m. 
Cossus ligniperda, 12.30, noon. 
Orgyia gonostigma, 9.0 a.m. (2), 9.11 a.m., 10.0 a.m., 11.0 a.m., 
noon, 3.30 p.m. 
Lachneis (Eriogaster) lanestris, 2.0-3.0 p.m., 9.0-11.0 p.m. (2). 
Malacosoma neustria, 4.0 p.m. 
Lastocampa quercus, 9.0 a.m., 11.0 a.m. 
Cosmotriche (Odonestis) potatoria, 12.30 p.m., 2.0 p.m., 6.30 p.m., 
7.0-8.0 p.m., 9.0 p.m. (2), “evening.” 
Hutricha quercifolia, 4.380 p.m. 
Dimorpha (Endromis) versicolora, 4.0 p.m. 
Saturnia pavonia, 9.0-11.0 a.m., evening. 
Drepana lacertinaria, 9.0 p.m. 
Drepana cultraria, in night. 
Dicranura vinula, 4.0 p.m. 
Stauropus fagi, in night. 
Ptilophora plumigera, 9.0-12.0 p.m. 
Pterostoma palpina, in evening. 
Lophopteryx camelina, 9.0 p.m., 10.0 p.m., 11.0 p.m., 11.80 p.m. 
Lophopteryx cuculla, in night (3). 
Pheosia (Notodonta) tremula (dictaea), 6.0 p.m. 
Pheosia dictaeoides, 6.0 p.m. 
Notodonta ziczac, “‘ evening ”’ (2), 8.0 p.m. 
Drymonia trimaecula var. dodonaea, 7.0 a.m., 9.0-10.0 p.m. 
Phalera bucephala, 12.0 (midnight). 
Pyqaera curtula, night. 
Pygaera pigra, 7.0-9.0 p.m. 
Polyploca (Asphalia) flavicornis, in night. 
Bryophila perla, 6.0 p.m. 
Demnas coryli, 8.0-9.0 a.m., before noon, 12.0-2.0 p.m., 2.0 p.m., in 
night (2). 
