Cucurbit
Guides
Diaphania
Diaphania is a genus of moths in the family Crambidae, subfamily Spilomelinae, containing approximately 30-40 species distributed primarily in tropical and subtropical regions of the Americas, with some species extending into temperate North America. Several species are significant agricultural pests of cucurbit crops, including the melonworm (D. hyalinata), pickleworm (D. nitidalis), and cucumber moth (D. indica). These species are characterized by distinctive translucent wing patches and rapid larval development on cucurbitaceous hosts.
Diaphania indica
cucumber moth, cotton caterpillar, leaf roller
Diaphania indica is a widespread moth species occurring primarily in tropical and subtropical regions of the Old World, native to southern Asia. It is a significant agricultural pest of cucurbitaceous crops, with larvae feeding on leaves, stems, and fruits of host plants. The species has been documented on multiple continents and is subject to biological control efforts using parasitoid wasps. Laboratory studies have established detailed demographic parameters and life cycle duration.
Eichlinia calabaza
Southwestern Squash Vine Borer
Eichlinia calabaza is a clearwing moth in the family Sesiidae, commonly known as the Southwestern Squash Vine Borer. It occurs in the southwestern United States and northern Mexico, where its larvae develop within the stems of wild and cultivated cucurbits. The species is a significant agricultural pest of squash, pumpkins, and related crops. Adults are diurnal and wasp-mimicking in appearance.
Eichlinia cucurbitae
Squash Vine Borer
Eichlinia cucurbitae, commonly known as the squash vine borer, is a sesiid moth whose larvae are a major pest of cucurbit crops. The adult moth is a diurnal clearwing that mimics wasps in appearance and behavior. Larvae tunnel into the stems of host plants, disrupting vascular tissues and causing vine wilt and death. The species has a broad distribution in the Nearctic and Neotropical regions and typically produces two generations per year in temperate climates.