먹종다리 [=먹종다리붙이]
Trigonidium japonicum Ichikawa 2001

몸길이는 약 5-7 ㎜이며 몸과 머리, 더듬이는 짙은 검은색이다. 눈은 적색, 다리는 연한 갈색이고 가시가 잘 발달한다. 귀뚜라미 종류지만 날개에는 발음기가 없어 울지 못한다. 종령 유충 상태로 월동하고 성충은 야산의 건조한 풀밭에서 늦은 봄인 5 월 초순부터 8 월 중에 나타나며 일본에도 분포한다.

수컷 (Male)

유충 (Larva)

Original description:
Trigonidium japonicum Ichikawa 2001 Tettigonia 3: 50, figs. 41-43.

  Small-sized. Legs without spots. Wing venations similar both in males and females, having weak false veins. Female fore wings pale-colored. Usually univoltine and overwinters at the nymphal stage.
  Description. Small and pale colored with no maculae on body and legs. Head dark brown, with blackish antennae. Maxillary palpi black, slightly dilated. Pronotum blackish without noticeable patterns. Legs uniformly light brown, without maculae. Abdomen blackish below. Tegmen black, shining, almost same venation between both sexes, slightly light colored in females; venation is somewhat intermediate between cicindeloides and pallipes, with discontinuous false veins between longitudinal veins, and with few transverse veins. Male genitalia is similar to those of cicindeloides. Ovipositor of moderate sized, pale testaceous and curved upwards, with serrate apex.
  Measurements: BL male 4.1, female 4.3; PL male 1.0, female 1.1; HFL male 4.0, female 4.2; OL 2.0.
  Holotype: male, Yata-kyuryou, Yamato-takada City, Nara Pref., 12.vi.1986 (A. Ichikawa)
  Paratypes: 1 female, same data and collector as the holotype.
  Distribution: Hokkaido, Honshu, Shikoku, Kyushu; Korea.
  Remarks: Tr. haani may be close to this new species. Tr. cicindeloides has well developed false veins, Tr. pallipes has no false veins, but transverse veins. Two more new species of this genus and genus Natula are to be referred to Sugimoto (2001), see below.

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