缩减了
发表于 2025-3-27 00:15:52
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赤字
发表于 2025-3-27 03:47:16
Aeshnidaere elongate with a flat prementum, 6- or 7-segmented antennae, and 3-segmented tarsi. Although body shape is similar among the genera, many aeshnids can be identified to genus in the field based on head shape. Characters that are used to distinguish the genera are head and palpal blade shape, dorsal
放牧
发表于 2025-3-27 08:50:14
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CHECK
发表于 2025-3-27 12:12:10
Petaluridae genera found in North America, . and ., differ in body shape, the number of antennal segments and the development of the posterolateral corners of the abdominal segments. . is monotypic and restricted to the eastern United States; nymphs do not burrow but rather wallow under moist vegetation in slo
Myocyte
发表于 2025-3-27 16:54:12
Cordulegastridaeeeth, divergent wing sheaths, numerous long and short setae, and acutely tipped abdomen. The two genera found in North America, . and ., differ in the configuration of the basal suture of the prementum, the orientation of the posterolateral spines on abdominal segments 8 and 9 and several other char
世俗
发表于 2025-3-27 18:17:58
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蚀刻
发表于 2025-3-27 23:07:35
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Basal-Ganglia
发表于 2025-3-28 06:03:44
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Encumber
发表于 2025-3-28 09:24:57
Methods for Collecting, Rearing and Preserving Dragonflies nymphs is an essential tool in learning about their growth and development. Suggestions for equipment and other materials, and also safety concerns, necessary in field studies of nymphs and adults are provided. Field guides to the adults of North American dragonflies are listed.
继承人
发表于 2025-3-28 14:15:13
Future Research on Dragonfly Nymphs are introduced. The main taxonomic needs are rearing and describing the nymphs of 50 species of Anisoptera that are still poorly known or unknown and using the data to emend the respective identification keys. Fully evaluating nymph characters will advance attempts at integrating morphological and