22 



SJ08TEDTS KILUIANDJAKO-MERU EXPEDITION. 13: 2. 



Fig. 4. Bittacus m.ontanus. 

 (ienitalia of the o 71 , lateral view. 



Body testaceous, head with a black spot between the 

 two anterior ocelli. Legs testaceous, the tips of femora 

 and tibiae black. Tibial spurs equal in length, in testa ecus 

 is the innerspur somewhat shorter. Tarsi brown. Hind- 

 femora a little thickened. 



Genitalia of the a 71 quite different from those of tcsta- 

 ceus (Fig. 4). App. sup. as broad at the tip as at the base, 

 with an obtuse, proximally directed dent in the middle. 

 Genitalvalve rounded behind at the under and lateral sides. 

 The penis is directed upwards under a right angle, its tip 

 is simple and curved between the app. sup. 



Body 20 mm., forew. 22 mm., hindw. 20 mm. Ant. 11 mm. 

 Abd. 15 mm., gr. br. 5 mm., gr. br. -i 1 /? mm. 



One a 71 of this inconspicuous species is from the Kilimundjaro, Kibonoto, cultivated 

 zone, March. 



* Bittacus sjostcdti, u. sp. 



Fig. 5. This species, nearly of the same size and form as montamis, is readily 

 distinguished from it by (he dark nervature of the wings, which is fuscous, and the 



crossveins, which are all broadly margined with fuscous. 

 The pterostigma is shorter and nearly semicircular, brown. 

 The tips are angulated as in testaceus. There is a round 

 smoky spot at the furcation of the media in both wings. 

 Body brown, the head black, antennae rufous, abdomen 

 with narrow black annulations at the segments. Legs rufous 

 brown with black annulations at femora and tibiae. Tarsi 

 dark brown. Inner tibial spurs about 1 mm. shorter than 

 the outer. Hindfemora thickened in both sexes. Genitalia 

 of the a 71 (Fig. 5) characterised by the short and broad, nearly 

 hastiform app. sup. The app. inf. are slender and short, 



the genital valve is quadrangular when seen from the under- and lateral side. The penis 

 is of about the same form as in montamts, but the tip is somewhat more strongly curved. 

 Body 20 mm., forew. 20 22 mm., hindw. t7 19 mm. Ant. 12 mm. 

 Abd. 15 mm., gr. br. -P^ mm., gr. br. 4 mm. 



Four specimens, one o 71 and three $, all from Kilini<tn<1juro, 18 Sept.; Kibonoto, 

 10001300 m., 27 April, 13001900 m. 29 April, 2000 m., rainforest, 5 January. 



Leyden, July 1908. 



Fig. 5. Bittacus sjostaUi. 

 Genitalia of the d", lateral view. 



