22 STUTTGARTER BEITRAGE ZUR NATURKUNDE Ser. A, Nr. 622 
ny 
Tie Yen BE BE BR Ob 
naht 
Fig. 43. Diatrichalus cyanescens, female genitalia. 
Figs 44-55. Male basal antennal segments. — 44. D. tenimberensis; - 45. D. emarginatus sp. n.; 
— 46. D. rubricostatus sp. n.,;— 47. D. xylobanoides; — 48. D. aeneus sp. n.;— 49. D. 
habbema sp. n.;-— 50. D. dentatus; - 51. D. parallelus sp. n.; - 52. D. pallidihume- 
ralis sp. n.3 — 53. D. proprius sp. n.; — 54. D. cyanescens; - 55. D. fenestratus sp. n. 
— Scales: 0.5 mm. 

rowed anteriorly, without elevated lateral margins, with conspicuous lateral costae 
(Fig. 6), covered with light brown pubescence. Elytra slightly dilated posteriorly, 
secondary costae very weak, partly missing, reticulate cells irregular, often longer 
than wide. Male genitalia with a very complex thorn ventrally (Fig. 19). 2: un- 
known. 
Measurements: Length of body 6.8mm, width at humeri 1.5mm, length of 
pronotum 0.89 mm, width of pronotum 1.23 mm. ¢: interocular distance 0.53 mm, 
maximum diameter of eyes 0.50 mm. 
Distribution: New Guinea, known from the type locality only. 
3.19. Diatrichalus rubricostatus sp. n. (Figs 1, 31, 46) 
Type material: Holotype d, New Guinea (SE), Mt. Giluwe, 3300-3550 m, 2.-4. VI. 
1963, leg. J. SEepLACEK (BPBM). — Paratypes: 8 dd 2 2 2, same locality data as holotype; — 
222, Mt. Giluwe, 3600 m; - 2 66, Mt. Giluwe, 3400 m, 26. V. 1961; — 6, Mt. Giluwe, 
3600 m, 27. V. 1961; — 6, Mt. Giluwe, 3700-4300 m, 29. V. 1961; - d 3 22, Mt. Giluwe, 
