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FIGURES 5–9. Tsudaea kitayamana. 5 in Tsu da ea, a new genus of Brachycentridae (Trichoptera) from Japan

FIGURES 5–9. Tsudaea kitayamana. 5: Map of Honshu, showing collection sites with arrow pointing to the type locality. 6: Habitat at headwater of the Tama River, Enzan, Yamanashi. 7: Larval microhabitat, mossy boulders in marginal area. 8: Adult female, scale: 1 mm. 9: Larva, scale: 1 mm.

FIGURE 2. Tsudaea kitayamana. Male genitalia A–F in Tsu da ea, a new genus of Brachycentridae (Trichoptera) from Japan

FIGURE 2. Tsudaea kitayamana. Male genitalia A–F: A, lateral; B, dorsal; C, ventral; D, inferior appendage, mesal; E, phallus, dorsal; F, phallus, lateral. Female genitalia G–I: G, lateral; H, dorsal; I, ventral. Abbreviations: IX, X, abdominal segments IX and X; ae., aedeagus; b.s., basal segment of inferior appendage; d.s., distal segment of inferior appendage; int., intermediate appendage of segment X; pr. preanal appendage.

FIGURE 1. Tsudaea kitayamana. A in Tsu da ea, a new genus of Brachycentridae (Trichoptera) from Japan

FIGURE 1. Tsudaea kitayamana. A: male adult, head and pro- and mesonota, dorsal; B: Male adult, head, frontal; C, male, head, lateral; D, male, maxillary palp, lateral (D1: Yamanashi, D2: Hyogo); E, female, maxillary palp, lateral; F, male, wings; G: female, wings.

FIGURE 3. Tsudaea kitayamana. Larva A–J in Tsu da ea, a new genus of Brachycentridae (Trichoptera) from Japan

FIGURE 3. Tsudaea kitayamana. Larva A–J: A, lateral; B, head, dorsal, primary setae numbered; C, head, ventral, primary setae numbered; D, left mandible, dorsal; E, right mandible, dorsal; F, head, thorax and abdominal segment I, dorsal; G, foreleg, lateral, ventral margin of femur enlarged; H, midleg, lateral; I, hindleg, lateral; J, abdominal segment IX, dorsal.

FIGURE 4. Tsudaea kitayamana. Pupa A–B in Tsu da ea, a new genus of Brachycentridae (Trichoptera) from Japan

FIGURE 4. Tsudaea kitayamana. Pupa A–B: A, dorsal, row of spines of abdominal segment V, anterior hook plate of abdominal segment VI and right anal process enlarged; B, head, frontal, apex of right mandible enlarged. Case C–E: C, lateral; D, caudal; E, anterior closure of pupal case, frontal.

FIGURES 5–10 in Discovery in Japan of the second species of the genus Dolichocentrus Martynov (Trichoptera: Brachycentridae)

FIGURES 5–10. Images, location, and habitats of Dolichocentrus sakura n. sp. 5, adult female (scale: 1 mm). 6, larva (scale: 1 mm). 7, map showing the collection sites (red circle). 8, a larval habitat at the type locality, a deep marginal pool of the mainstream with slow current. 9, another larval habitat at the type locality, a tributary just flowing into the mainstream, shallow rapid. 10, artificial channel (Nishi-gawa) where many adults were collected.

FIGURE 3. Dolichocentrus sakura n in Discovery in Japan of the second species of the genus Dolichocentrus Martynov (Trichoptera: Brachycentridae)

FIGURE 3. Dolichocentrus sakura n. sp., larva. 3A, right lateral; B, head and thorax, dorsal, primary setae on head numbered; 3C, head, ventral, primary setae numbered; 3D, left mandible, dorsal; 3E, right mandible, dorsal; 3F, right foreleg, right lateral; 3G, right midleg, right lateral; 3H, right hind leg, right lateral; 3I, abdominal segment X, caudal. Abbreviations: an. = antenna; f.l. = forked lamella.

FIGURE 1. Dolichocentrus sakura n in Discovery in Japan of the second species of the genus Dolichocentrus Martynov (Trichoptera: Brachycentridae)

FIGURE 1. Dolichocentrus sakura n. sp., adults., male, head and pro- and mesonota, dorsal; 1B: male, head, frontal; 1C, male, head, left lateral; 1D, female, left maxillary palp, left lateral (1D1–1D3: variations); 1E, female, left labial palp, left lateral; 1F, male, right wing venation, dorsal, apical forks numbered; 1G: female, right wing venation, dorsal, apical forks numbered; 1H, male abdominal sternite VII, ventral; 1I, female abdominal sternites IV–VIII, ventral.

FIGURE 4. Dolichocentrus sakura n in Discovery in Japan of the second species of the genus Dolichocentrus Martynov (Trichoptera: Brachycentridae)

FIGURE 4. Dolichocentrus sakura n. sp., pupa. 4A, dorsal, row of spines (hook plate) of abdominal segment V and anterior hook plate of abdominal segment VI enlarged; 4B, head, frontal, apex of left mandible enlarged; 4C, tibia and tarsus of right midleg, right lateral. Case: 4D, lateral; 4E, posterior closure of larval case, caudal; 4F, anterior closure of pupal case, frontal; 4G, posterior closure of pupal case, caudal.

FIGURE 2. Dolichocentrus sakura n in Discovery in Japan of the second species of the genus Dolichocentrus Martynov (Trichoptera: Brachycentridae)

FIGURE 2. Dolichocentrus sakura n. sp., male genitalia. 2A, left lateral; 2B, ventral; 2C, dorsal; 2D, phallus, left lateral. Female genitalia: 2E, left lateral; 2F, dorsal; 2G, ventral. Abbreviations: IX, X = abdominal segments IX and X; b.s. = basal segment of an inferior appendage; d.s. = distal segment of an inferior appendage; int. = an intermediate appendage of segment X; pr. = a preanal appendage.