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NEUROPTERA.
By R o b e r t Ma c L a ch l a n , London.
T h e collection of Neuroptera made by Fedchenko affords a tolerably
W( i. 'r mii ■ mdication of the character of the Xeuropterological fauna
of the Turkistan countries, which up to the present has remained almost
entirely uninvestigated.
Notwithstanding the fulness of this collection, it is certainly impossible
to draw' from it any Conclusions regarding the number of
Sf 6Ci j8^0 f°un<l §§ those regions ; and in order that such conclusions
should be possible, we require more continuous and special investigations
by persons not burdened with the diversified and fatiguing labours
always connected with travel in unknown countries.
The character of the Turkistan Neuroptera, so far as we may judge
from the materials collected by the expedition, is decidedly European •
a great many of the species collected in Turkistan are not only European'
but even West-European species. This similarity of the Turkistan to
European fauna is, however, less sharply defined than that of the
bibenan Neuroptera, which I had occasion not long- ago to investigate.
Turkistan collection there is an important number of new species
which belong to European genera. On the other hand, in that collec-
tion is remarked an unimportant mixture of the Indian element,
which is shown in a species of the genus Idricerus, family
-Ascalaphzaae, and a species of the genus Dinarthrum of the
family Irichoptera. Representatives of these genera have, up to the
present, been found only to the south of the Himalayas. This unimportant
mixture of Indian forms does not, however, really alter the
thoroughly marked European character of the collection.
There are as many as 36 species of Planipennia in the collection, of
which 17 are new. Doubtless the most remarkable of all the species of
this family is the above-mentioned new species of the genus Idricerus.
Another species of the same family is common in Eastern Europe—
Myrmeleonidae are represented by i? species * of
which 7 are new (in that number one new genus).
The presence in the collection of .Gymnocnemia variegata, a very
rare species inhabiting Italy and Greece, is very interesting. Among
the Chrysopidae the representative of the new genus Chrysopisca is
very remarkable. The Hemeroiiidce are comparatively few. The genus
Mantissa -is represented by one new species. Of the interesting
genus D ila r one specimen is found in the collection belonging!
perhaps, to the species described from Turkey. Of the Panorfndae,
otalidae, Raphtdidae, and Nemopteridae, there are none at all in the
collection f The prominent speciality of the collection, with regard
to d’lampenma, is without doubt its richness in Myrmeleonidae.
More than one half of all the specimens of Neuroptera collected by
the expedition belong to the Trichoptera, of which there are in the
* I n a d d i t i o n t o t h e s p e c i e s e n u m e r a t e d b e l o w , t h e r e i s Acanthaclisis occitanica,
H f t h o m K u l d j a , a c c i d e n t a l l y o m i t t e d f r o m t h e l i s t .
t O n e s p e c i m e n o f Boreus w a s t a k e n b y F e d c h e n k o i n t h e e n v i r o n s o f
S H I ' i H e ? r l y o f 1 8 6 9 • T h i s s p e c i m e n w a s u n f o r t u n a t e l y
d e s t r o y e d d u r i n g t h e t r a n s i t o f t h e c o l l e c t i o n f r o m M o s c o w t o L o n d o n .