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Dichochrysa hamata.  Modified from Tjeder, 1966.

Male and female genitalia of Dichochrysa hamata.  From Tjeder, 1966.

Madagascar distribution of Dichochrysa hamatus.

Synonyms

None

Diagnosis

This species can be distinguished by the black spot on the gena and along the outer margin of the clypeus; black palpi.  Base of forewing with small dark spot; gradate veins dark; basal angle of distal cubital cell (dcc) darkened.

Type Depository

SAM, Cape Town.

Type Locality

SOUTH AFRICA: Zululand, N. Kandhla Forest, 1 male.

Geographical Distribution

Originally described from South Africa, it has subsequently been reported from Mauritis (Hölzel and Ohm, 1992). and Madagascar (Hölzel and Duelli, 1990).  Within Madagascar it has been reported from near Toliara (Hölzel and Duelli, 1990), Antananarivo and Ranomafana National Park.

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Temporal Distribution

January, February, April, and October.

Elevation

900 to 1110 m.

Remarks

The darkened area at the base of forewing cell dcc is quite distinctive.

Tjeder (1966) provides an excellent description of this species.

References

Hölzel, H. and Duelli, P. 1990. Remarks on the Chrysopidae of Madagascar (Insecta: Neuroptera). Pp. 271-275 in Mansell, M. W.; Aspöck, H. (eds.). Advances in Neuropterology. Proceedings of the Third International Symposium on Neuropterology (3-4 February 1988, Berg en Dal, Kruger National Park, South Africa). South African Department of Agricultural Development, Pretoria. 298 pp. 4 figures.

Hölzel, H. and Ohm, P. 1992. Zoogeographical features of Madagascan Chrysopidae (Insecta: Neuroptera). Pp. 167-181 in Canard, M.; Aspöck, H.; Mansell, M. W. (eds.). Current Research in Neuropterology. Proceedings of the Fourth International Symposium on Neuropterology (24-27 June 1991, Bagnères-de-Luchon, Haute-Garonne, France). Privately printed, Toulouse, France. 414 pp. 8 figures. 1 table

Tjeder, B. 1966. Neuroptera-Planipennia. The Lace-wings of Southern Africa. 5. Family Chrysopidae. Pp. 228-534 in South African Animal Life, B. Hanström, P. Brinck and G. Rudebec, eds. Vol. 12. Swedish Natural Science Research Council, Stockholm. 1097 figures [#784-1880].