220 
Megachile ventralis. 
»Radoszkowski describes a species under the name 
M. sikkimi from Sikkim, which is either identical with the above 
M. mystaeea or closely allied to it. M. sikkimi differs principally 
in having the pubescence on the thorax and basal segment of 
the abdomen entirely black.« 
183. Megachile ventralis Panz. 
1798. — Apis ventralis Panzer, Faun. Insect. German. V. P. 56 T. 20. 
1802. — Megachile ventralis Walkenaer, Fauna Paris II. p. 139 n. 18. 
1806. — Antophora ventralis Panzer, Krit. Revis. II. p. 245. 
1806. — Anthophora ventralis llliger, $ Magaz. f. Insectenk. V. p. 128 n. 80. 
1807. — Trachusa ventralis Jurine, $ Nouv. meth. dass. Hymen, p. 252. 
1808. — Anthophora ventralis Klug, Magaz. Ges. naturf. Fr. BerlinII. p.58n.90. 
>Atra subnuda, abdomine nitido punctato segmentorum 
marginibus exalbidis, ventre lana rufa. — Long. 9 mm. 
Habitat Norimbergae. 
Caput atrum punctum subnudum s. leviter pubescens, labio 
antice reflexo, mandibulis atris; antennae nigrae; oculi fusci; 
thorax ater punctatus dorso subnudo lateribus parum pubes- 
centibus; alae flavescentes nervo antico crassiori marginali vix 
ad apicem excurrente nigro. Abdomen ovatum nigrum puncta- 
tum segmentorum marginibus excoloribus, ventre lana rufa. 
Pedes nigri subnudi, tarsis subluscis.« Wohl centuncularis? — 
184. Megachile vigilans Sm. 
1878. — Megachile vigilans Smith, ^ Scient. Res. 2 d Yarkand Miss. p.5n.l0. 
1897. — Megachile vigilans Bingham, d Fauna of Br. India, Hymenopt. 
I. p. 488. 
»§. — Pallide pubescens; abdomine subtus argenteo-villosulo 
seegmntorum marginibus dorsalibus pallido-fasciatis. 
Black; the face clothed with dense white pubescence; the 
mandibles with 4 blunt teeth; the pubescence on the thorax 
and legs whitish, that on the tarsi beneath fulvous; wings hyaline, 
the nervures black. Abdomen subcordate, the basal segment 
deeply concave, the metathorax rounded and fitting into the 
cavity, the abdomen curving upwards, the apical margins of the 
segments with fasciae of white pubescence; beneath, densely 
clothed with silvery-white pubescence. — Long. 4V 2 lines 
(— 9 l / 2 mm).« 
L 's, Ivargil and Leh, ah in Ladak, August und September 
(Ost-Turkestan). 
B i n g h a m sagt vom: 
« J — similar, the head proportionately broader and more 
